Home / 580,210.56-870,358-242,912

Finding the Fourth Proportional to 580,210.56, 870,358 and 242,912

Calculator

Solution

The fourth proportional to 580,210.56, 870,358 and 242,912 is: 364,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,210.56 : 870,358 = 242,912 : x
  2. Step 2: Convert to fraction form
    580,210.56/870,358 = 242,912/x
  3. Step 3: Cross multiply
    580,210.56x = 870,358 × 242,912
  4. Step 4: Simplify right side
    580,210.56x = 211,420,402,496
  5. Step 5: Solve for x
    x = 211,420,402,496/580,210.56
  6. Step 6: Final answer
    x = 364,385.65

Related Problems

Find fourth proportional to 290,105.28, 435,179 and 121,456
Half scale
Find fourth proportional to 1,160,421.12, 1,740,716 and 485,824
Double scale
Find fourth proportional to 580,211.56, 870,359.50 and 242,913
Similar ratio
Find fourth proportional to 870,315.84, 1,305,537 and 364,368
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.