Home / 746,179.20-1,029,697.16-406,640.16

Finding the Fourth Proportional to 746,179.20, 1,029,697.16 and 406,640.16

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Solution

The fourth proportional to 746,179.20, 1,029,697.16 and 406,640.16 is: 561,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,179.20 : 1,029,697.16 = 406,640.16 : x
  2. Step 2: Convert to fraction form
    746,179.20/1,029,697.16 = 406,640.16/x
  3. Step 3: Cross multiply
    746,179.20x = 1,029,697.16 × 406,640.16
  4. Step 4: Simplify right side
    746,179.20x = 418,716,217,893.95
  5. Step 5: Solve for x
    x = 418,716,217,893.95/746,179.20
  6. Step 6: Final answer
    x = 561,147.00

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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.