Home / 747,134.86-1,121,240.72-297,595.58

Finding the Fourth Proportional to 747,134.86, 1,121,240.72 and 297,595.58

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Solution

The fourth proportional to 747,134.86, 1,121,240.72 and 297,595.58 is: 446,607.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,134.86 : 1,121,240.72 = 297,595.58 : x
  2. Step 2: Convert to fraction form
    747,134.86/1,121,240.72 = 297,595.58/x
  3. Step 3: Cross multiply
    747,134.86x = 1,121,240.72 × 297,595.58
  4. Step 4: Simplify right side
    747,134.86x = 333,676,282,388.02
  5. Step 5: Solve for x
    x = 333,676,282,388.02/747,134.86
  6. Step 6: Final answer
    x = 446,607.84

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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.