Home / 738,002.10-1,107,003.15-512,886.90

Finding the Fourth Proportional to 738,002.10, 1,107,003.15 and 512,886.90

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Solution

The fourth proportional to 738,002.10, 1,107,003.15 and 512,886.90 is: 769,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,002.10 : 1,107,003.15 = 512,886.90 : x
  2. Step 2: Convert to fraction form
    738,002.10/1,107,003.15 = 512,886.90/x
  3. Step 3: Cross multiply
    738,002.10x = 1,107,003.15 × 512,886.90
  4. Step 4: Simplify right side
    738,002.10x = 567,767,413,893.74
  5. Step 5: Solve for x
    x = 567,767,413,893.74/738,002.10
  6. Step 6: Final answer
    x = 769,330.35

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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.