Home / 749,178.51-1,123,533.53-250,425.87

Finding the Fourth Proportional to 749,178.51, 1,123,533.53 and 250,425.87

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Solution

The fourth proportional to 749,178.51, 1,123,533.53 and 250,425.87 is: 375,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,178.51 : 1,123,533.53 = 250,425.87 : x
  2. Step 2: Convert to fraction form
    749,178.51/1,123,533.53 = 250,425.87/x
  3. Step 3: Cross multiply
    749,178.51x = 1,123,533.53 × 250,425.87
  4. Step 4: Simplify right side
    749,178.51x = 281,361,860,472.29
  5. Step 5: Solve for x
    x = 281,361,860,472.29/749,178.51
  6. Step 6: Final answer
    x = 375,560.51

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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.