Home / 755,277.40-1,132,916.14-256,641.40

Finding the Fourth Proportional to 755,277.40, 1,132,916.14 and 256,641.40

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Solution

The fourth proportional to 755,277.40, 1,132,916.14 and 256,641.40 is: 384,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,277.40 : 1,132,916.14 = 256,641.40 : x
  2. Step 2: Convert to fraction form
    755,277.40/1,132,916.14 = 256,641.40/x
  3. Step 3: Cross multiply
    755,277.40x = 1,132,916.14 × 256,641.40
  4. Step 4: Simplify right side
    755,277.40x = 290,753,178,587.62
  5. Step 5: Solve for x
    x = 290,753,178,587.62/755,277.40
  6. Step 6: Final answer
    x = 384,962.11

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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.