Home / 812,259.16-1,219,506.81-413,170

Finding the Fourth Proportional to 812,259.16, 1,219,506.81 and 413,170

Calculator

Solution

The fourth proportional to 812,259.16, 1,219,506.81 and 413,170 is: 620,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,259.16 : 1,219,506.81 = 413,170 : x
  2. Step 2: Convert to fraction form
    812,259.16/1,219,506.81 = 413,170/x
  3. Step 3: Cross multiply
    812,259.16x = 1,219,506.81 × 413,170
  4. Step 4: Simplify right side
    812,259.16x = 503,863,628,687.70
  5. Step 5: Solve for x
    x = 503,863,628,687.70/812,259.16
  6. Step 6: Final answer
    x = 620,323.73

Related Problems

Find fourth proportional to 406,129.58, 609,753.41 and 206,585
Half scale
Find fourth proportional to 1,624,518.32, 2,439,013.62 and 826,340
Double scale
Find fourth proportional to 812,260.16, 1,219,508.31 and 413,171
Similar ratio
Find fourth proportional to 1,218,388.74, 1,829,260.22 and 619,755
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.