Home / 787,654.49-1,181,691.95-282,266.55

Finding the Fourth Proportional to 787,654.49, 1,181,691.95 and 282,266.55

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Solution

The fourth proportional to 787,654.49, 1,181,691.95 and 282,266.55 is: 423,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,654.49 : 1,181,691.95 = 282,266.55 : x
  2. Step 2: Convert to fraction form
    787,654.49/1,181,691.95 = 282,266.55/x
  3. Step 3: Cross multiply
    787,654.49x = 1,181,691.95 × 282,266.55
  4. Step 4: Simplify right side
    787,654.49x = 333,552,108,477.94
  5. Step 5: Solve for x
    x = 333,552,108,477.94/787,654.49
  6. Step 6: Final answer
    x = 423,475.16

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1.5x scale

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.