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Finding the Fourth Proportional to 672,402.27, 927,554.72 and 430,424.49

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Solution

The fourth proportional to 672,402.27, 927,554.72 and 430,424.49 is: 593,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,402.27 : 927,554.72 = 430,424.49 : x
  2. Step 2: Convert to fraction form
    672,402.27/927,554.72 = 430,424.49/x
  3. Step 3: Cross multiply
    672,402.27x = 927,554.72 × 430,424.49
  4. Step 4: Simplify right side
    672,402.27x = 399,242,265,150.97
  5. Step 5: Solve for x
    x = 399,242,265,150.97/672,402.27
  6. Step 6: Final answer
    x = 593,755.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.