Home / 749,141.70-1,123,712.55-497,199.30

Finding the Fourth Proportional to 749,141.70, 1,123,712.55 and 497,199.30

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Solution

The fourth proportional to 749,141.70, 1,123,712.55 and 497,199.30 is: 745,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,141.70 : 1,123,712.55 = 497,199.30 : x
  2. Step 2: Convert to fraction form
    749,141.70/1,123,712.55 = 497,199.30/x
  3. Step 3: Cross multiply
    749,141.70x = 1,123,712.55 × 497,199.30
  4. Step 4: Simplify right side
    749,141.70x = 558,709,093,261.22
  5. Step 5: Solve for x
    x = 558,709,093,261.22/749,141.70
  6. Step 6: Final answer
    x = 745,798.95

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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.