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Finding the Fourth Proportional to 546,472.80, 818,834.40 and 359,265.60

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Solution

The fourth proportional to 546,472.80, 818,834.40 and 359,265.60 is: 538,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,472.80 : 818,834.40 = 359,265.60 : x
  2. Step 2: Convert to fraction form
    546,472.80/818,834.40 = 359,265.60/x
  3. Step 3: Cross multiply
    546,472.80x = 818,834.40 × 359,265.60
  4. Step 4: Simplify right side
    546,472.80x = 294,179,032,016.64
  5. Step 5: Solve for x
    x = 294,179,032,016.64/546,472.80
  6. Step 6: Final answer
    x = 538,323.28

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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.