Home / 992,486.47-1,488,877.34-460,061.32

Finding the Fourth Proportional to 992,486.47, 1,488,877.34 and 460,061.32

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Solution

The fourth proportional to 992,486.47, 1,488,877.34 and 460,061.32 is: 690,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,486.47 : 1,488,877.34 = 460,061.32 : x
  2. Step 2: Convert to fraction form
    992,486.47/1,488,877.34 = 460,061.32/x
  3. Step 3: Cross multiply
    992,486.47x = 1,488,877.34 × 460,061.32
  4. Step 4: Simplify right side
    992,486.47x = 684,974,874,358.49
  5. Step 5: Solve for x
    x = 684,974,874,358.49/992,486.47
  6. Step 6: Final answer
    x = 690,160.42

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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.