Home / 739,916.10-1,109,874.15-266,616.90

Finding the Fourth Proportional to 739,916.10, 1,109,874.15 and 266,616.90

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Solution

The fourth proportional to 739,916.10, 1,109,874.15 and 266,616.90 is: 399,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,916.10 : 1,109,874.15 = 266,616.90 : x
  2. Step 2: Convert to fraction form
    739,916.10/1,109,874.15 = 266,616.90/x
  3. Step 3: Cross multiply
    739,916.10x = 1,109,874.15 × 266,616.90
  4. Step 4: Simplify right side
    739,916.10x = 295,911,205,263.14
  5. Step 5: Solve for x
    x = 295,911,205,263.14/739,916.10
  6. Step 6: Final answer
    x = 399,925.35

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Double scale
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Similar ratio
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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.