Home / 746,179.66-1,029,697.89-406,640.62

Finding the Fourth Proportional to 746,179.66, 1,029,697.89 and 406,640.62

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Solution

The fourth proportional to 746,179.66, 1,029,697.89 and 406,640.62 is: 561,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,179.66 : 1,029,697.89 = 406,640.62 : x
  2. Step 2: Convert to fraction form
    746,179.66/1,029,697.89 = 406,640.62/x
  3. Step 3: Cross multiply
    746,179.66x = 1,029,697.89 × 406,640.62
  4. Step 4: Simplify right side
    746,179.66x = 418,716,988,402.29
  5. Step 5: Solve for x
    x = 418,716,988,402.29/746,179.66
  6. Step 6: Final answer
    x = 561,147.68

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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.