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Finding the Fourth Proportional to 591,756.48, 887,547.24 and 217,692

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Solution

The fourth proportional to 591,756.48, 887,547.24 and 217,692 is: 326,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,756.48 : 887,547.24 = 217,692 : x
  2. Step 2: Convert to fraction form
    591,756.48/887,547.24 = 217,692/x
  3. Step 3: Cross multiply
    591,756.48x = 887,547.24 × 217,692
  4. Step 4: Simplify right side
    591,756.48x = 193,211,933,770.08
  5. Step 5: Solve for x
    x = 193,211,933,770.08/591,756.48
  6. Step 6: Final answer
    x = 326,505.82

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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.