Home / 815,468.30-1,125,348.86-452,892.14

Finding the Fourth Proportional to 815,468.30, 1,125,348.86 and 452,892.14

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Solution

The fourth proportional to 815,468.30, 1,125,348.86 and 452,892.14 is: 624,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,468.30 : 1,125,348.86 = 452,892.14 : x
  2. Step 2: Convert to fraction form
    815,468.30/1,125,348.86 = 452,892.14/x
  3. Step 3: Cross multiply
    815,468.30x = 1,125,348.86 × 452,892.14
  4. Step 4: Simplify right side
    815,468.30x = 509,661,648,957.45
  5. Step 5: Solve for x
    x = 509,661,648,957.45/815,468.30
  6. Step 6: Final answer
    x = 624,992.60

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1.5x scale

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.