Home / 959,560.80-1,439,535.60-328,538.40

Finding the Fourth Proportional to 959,560.80, 1,439,535.60 and 328,538.40

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Solution

The fourth proportional to 959,560.80, 1,439,535.60 and 328,538.40 is: 492,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,560.80 : 1,439,535.60 = 328,538.40 : x
  2. Step 2: Convert to fraction form
    959,560.80/1,439,535.60 = 328,538.40/x
  3. Step 3: Cross multiply
    959,560.80x = 1,439,535.60 × 328,538.40
  4. Step 4: Simplify right side
    959,560.80x = 472,942,722,767.04
  5. Step 5: Solve for x
    x = 472,942,722,767.04/959,560.80
  6. Step 6: Final answer
    x = 492,874.16

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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.