Home / 992,864.16-1,488,417.84-394,244.64

Finding the Fourth Proportional to 992,864.16, 1,488,417.84 and 394,244.64

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Solution

The fourth proportional to 992,864.16, 1,488,417.84 and 394,244.64 is: 591,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,864.16 : 1,488,417.84 = 394,244.64 : x
  2. Step 2: Convert to fraction form
    992,864.16/1,488,417.84 = 394,244.64/x
  3. Step 3: Cross multiply
    992,864.16x = 1,488,417.84 × 394,244.64
  4. Step 4: Simplify right side
    992,864.16x = 586,800,755,500.38
  5. Step 5: Solve for x
    x = 586,800,755,500.38/992,864.16
  6. Step 6: Final answer
    x = 591,018.17

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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.