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Finding the Fourth Proportional to 502,322.40, 753,046.20 and 302,430.60

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Solution

The fourth proportional to 502,322.40, 753,046.20 and 302,430.60 is: 453,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,322.40 : 753,046.20 = 302,430.60 : x
  2. Step 2: Convert to fraction form
    502,322.40/753,046.20 = 302,430.60/x
  3. Step 3: Cross multiply
    502,322.40x = 753,046.20 × 302,430.60
  4. Step 4: Simplify right side
    502,322.40x = 227,744,214,093.72
  5. Step 5: Solve for x
    x = 227,744,214,093.72/502,322.40
  6. Step 6: Final answer
    x = 453,382.56

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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.