Home / 756,079.79-1,042,689.24-551,807.15

Finding the Fourth Proportional to 756,079.79, 1,042,689.24 and 551,807.15

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Solution

The fourth proportional to 756,079.79, 1,042,689.24 and 551,807.15 is: 760,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,079.79 : 1,042,689.24 = 551,807.15 : x
  2. Step 2: Convert to fraction form
    756,079.79/1,042,689.24 = 551,807.15/x
  3. Step 3: Cross multiply
    756,079.79x = 1,042,689.24 × 551,807.15
  4. Step 4: Simplify right side
    756,079.79x = 575,363,377,860.07
  5. Step 5: Solve for x
    x = 575,363,377,860.07/756,079.79
  6. Step 6: Final answer
    x = 760,982.35

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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.