Home / 730,520.20-1,096,172.70-356,543.20

Finding the Fourth Proportional to 730,520.20, 1,096,172.70 and 356,543.20

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Solution

The fourth proportional to 730,520.20, 1,096,172.70 and 356,543.20 is: 535,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,520.20 : 1,096,172.70 = 356,543.20 : x
  2. Step 2: Convert to fraction form
    730,520.20/1,096,172.70 = 356,543.20/x
  3. Step 3: Cross multiply
    730,520.20x = 1,096,172.70 × 356,543.20
  4. Step 4: Simplify right side
    730,520.20x = 390,832,922,210.64
  5. Step 5: Solve for x
    x = 390,832,922,210.64/730,520.20
  6. Step 6: Final answer
    x = 535,006.32

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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.