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Finding the Fourth Proportional to 657,528.60, 986,001.30 and 302,651.40

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Solution

The fourth proportional to 657,528.60, 986,001.30 and 302,651.40 is: 453,842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,528.60 : 986,001.30 = 302,651.40 : x
  2. Step 2: Convert to fraction form
    657,528.60/986,001.30 = 302,651.40/x
  3. Step 3: Cross multiply
    657,528.60x = 986,001.30 × 302,651.40
  4. Step 4: Simplify right side
    657,528.60x = 298,414,673,846.82
  5. Step 5: Solve for x
    x = 298,414,673,846.82/657,528.60
  6. Step 6: Final answer
    x = 453,842.88

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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.