Home / 749,122.71-1,123,839.59-250,473.75

Finding the Fourth Proportional to 749,122.71, 1,123,839.59 and 250,473.75

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Solution

The fourth proportional to 749,122.71, 1,123,839.59 and 250,473.75 is: 375,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,122.71 : 1,123,839.59 = 250,473.75 : x
  2. Step 2: Convert to fraction form
    749,122.71/1,123,839.59 = 250,473.75/x
  3. Step 3: Cross multiply
    749,122.71x = 1,123,839.59 × 250,473.75
  4. Step 4: Simplify right side
    749,122.71x = 281,492,315,253.39
  5. Step 5: Solve for x
    x = 281,492,315,253.39/749,122.71
  6. Step 6: Final answer
    x = 375,762.62

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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.