Home / 708,683.40-1,063,025.10-425,248.20

Finding the Fourth Proportional to 708,683.40, 1,063,025.10 and 425,248.20

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Solution

The fourth proportional to 708,683.40, 1,063,025.10 and 425,248.20 is: 637,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,683.40 : 1,063,025.10 = 425,248.20 : x
  2. Step 2: Convert to fraction form
    708,683.40/1,063,025.10 = 425,248.20/x
  3. Step 3: Cross multiply
    708,683.40x = 1,063,025.10 × 425,248.20
  4. Step 4: Simplify right side
    708,683.40x = 452,049,510,329.82
  5. Step 5: Solve for x
    x = 452,049,510,329.82/708,683.40
  6. Step 6: Final answer
    x = 637,872.30

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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.