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Finding the Fourth Proportional to 595,048.32, 891,048.60 and 328,512.96

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Solution

The fourth proportional to 595,048.32, 891,048.60 and 328,512.96 is: 491,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,048.32 : 891,048.60 = 328,512.96 : x
  2. Step 2: Convert to fraction form
    595,048.32/891,048.60 = 328,512.96/x
  3. Step 3: Cross multiply
    595,048.32x = 891,048.60 × 328,512.96
  4. Step 4: Simplify right side
    595,048.32x = 292,721,013,089.86
  5. Step 5: Solve for x
    x = 292,721,013,089.86/595,048.32
  6. Step 6: Final answer
    x = 491,928.14

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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.