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Finding the Fourth Proportional to 502,457.60, 754,269.60 and 303,003.20

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Solution

The fourth proportional to 502,457.60, 754,269.60 and 303,003.20 is: 454,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,457.60 : 754,269.60 = 303,003.20 : x
  2. Step 2: Convert to fraction form
    502,457.60/754,269.60 = 303,003.20/x
  3. Step 3: Cross multiply
    502,457.60x = 754,269.60 × 303,003.20
  4. Step 4: Simplify right side
    502,457.60x = 228,546,102,462.72
  5. Step 5: Solve for x
    x = 228,546,102,462.72/502,457.60
  6. Step 6: Final answer
    x = 454,856.49

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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.