Home / 908,000.32-1,253,024.88-500,140.32

Finding the Fourth Proportional to 908,000.32, 1,253,024.88 and 500,140.32

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Solution

The fourth proportional to 908,000.32, 1,253,024.88 and 500,140.32 is: 690,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,000.32 : 1,253,024.88 = 500,140.32 : x
  2. Step 2: Convert to fraction form
    908,000.32/1,253,024.88 = 500,140.32/x
  3. Step 3: Cross multiply
    908,000.32x = 1,253,024.88 × 500,140.32
  4. Step 4: Simplify right side
    908,000.32x = 626,688,264,451.16
  5. Step 5: Solve for x
    x = 626,688,264,451.16/908,000.32
  6. Step 6: Final answer
    x = 690,185.07

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.