Home / 959,892.80-1,439,839.20-328,724.60

Finding the Fourth Proportional to 959,892.80, 1,439,839.20 and 328,724.60

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Solution

The fourth proportional to 959,892.80, 1,439,839.20 and 328,724.60 is: 493,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,892.80 : 1,439,839.20 = 328,724.60 : x
  2. Step 2: Convert to fraction form
    959,892.80/1,439,839.20 = 328,724.60/x
  3. Step 3: Cross multiply
    959,892.80x = 1,439,839.20 × 328,724.60
  4. Step 4: Simplify right side
    959,892.80x = 473,310,565,084.32
  5. Step 5: Solve for x
    x = 473,310,565,084.32/959,892.80
  6. Step 6: Final answer
    x = 493,086.90

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1.5x scale

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.