Home / 942,403.80-1,413,087.30-409,834.20

Finding the Fourth Proportional to 942,403.80, 1,413,087.30 and 409,834.20

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Solution

The fourth proportional to 942,403.80, 1,413,087.30 and 409,834.20 is: 614,525.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,403.80 : 1,413,087.30 = 409,834.20 : x
  2. Step 2: Convert to fraction form
    942,403.80/1,413,087.30 = 409,834.20/x
  3. Step 3: Cross multiply
    942,403.80x = 1,413,087.30 × 409,834.20
  4. Step 4: Simplify right side
    942,403.80x = 579,131,503,125.66
  5. Step 5: Solve for x
    x = 579,131,503,125.66/942,403.80
  6. Step 6: Final answer
    x = 614,525.86

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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.