Home / 992,486.97-1,488,878.09-460,061.82

Finding the Fourth Proportional to 992,486.97, 1,488,878.09 and 460,061.82

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Solution

The fourth proportional to 992,486.97, 1,488,878.09 and 460,061.82 is: 690,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,486.97 : 1,488,878.09 = 460,061.82 : x
  2. Step 2: Convert to fraction form
    992,486.97/1,488,878.09 = 460,061.82/x
  3. Step 3: Cross multiply
    992,486.97x = 1,488,878.09 × 460,061.82
  4. Step 4: Simplify right side
    992,486.97x = 684,975,961,543.22
  5. Step 5: Solve for x
    x = 684,975,961,543.22/992,486.97
  6. Step 6: Final answer
    x = 690,161.16

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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.