Home / 495,507.20-683,895.83-323,125.90

Finding the Fourth Proportional to 495,507.20, 683,895.83 and 323,125.90

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Solution

The fourth proportional to 495,507.20, 683,895.83 and 323,125.90 is: 445,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,507.20 : 683,895.83 = 323,125.90 : x
  2. Step 2: Convert to fraction form
    495,507.20/683,895.83 = 323,125.90/x
  3. Step 3: Cross multiply
    495,507.20x = 683,895.83 × 323,125.90
  4. Step 4: Simplify right side
    495,507.20x = 220,984,455,575.00
  5. Step 5: Solve for x
    x = 220,984,455,575.00/495,507.20
  6. Step 6: Final answer
    x = 445,976.28

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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.