Home / 752,654.80-1,038,675.40-413,154

Finding the Fourth Proportional to 752,654.80, 1,038,675.40 and 413,154

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Solution

The fourth proportional to 752,654.80, 1,038,675.40 and 413,154 is: 570,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,654.80 : 1,038,675.40 = 413,154 : x
  2. Step 2: Convert to fraction form
    752,654.80/1,038,675.40 = 413,154/x
  3. Step 3: Cross multiply
    752,654.80x = 1,038,675.40 × 413,154
  4. Step 4: Simplify right side
    752,654.80x = 429,132,896,211.60
  5. Step 5: Solve for x
    x = 429,132,896,211.60/752,654.80
  6. Step 6: Final answer
    x = 570,158.98

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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.