Home / 992,515.95-1,489,386.29-459,937.71

Finding the Fourth Proportional to 992,515.95, 1,489,386.29 and 459,937.71

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Solution

The fourth proportional to 992,515.95, 1,489,386.29 and 459,937.71 is: 690,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,515.95 : 1,489,386.29 = 459,937.71 : x
  2. Step 2: Convert to fraction form
    992,515.95/1,489,386.29 = 459,937.71/x
  3. Step 3: Cross multiply
    992,515.95x = 1,489,386.29 × 459,937.71
  4. Step 4: Simplify right side
    992,515.95x = 685,024,917,228.31
  5. Step 5: Solve for x
    x = 685,024,917,228.31/992,515.95
  6. Step 6: Final answer
    x = 690,190.34

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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.