Home / 495,532.08-683,891.64-465,131.16

Finding the Fourth Proportional to 495,532.08, 683,891.64 and 465,131.16

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Solution

The fourth proportional to 495,532.08, 683,891.64 and 465,131.16 is: 641,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,532.08 : 683,891.64 = 465,131.16 : x
  2. Step 2: Convert to fraction form
    495,532.08/683,891.64 = 465,131.16/x
  3. Step 3: Cross multiply
    495,532.08x = 683,891.64 × 465,131.16
  4. Step 4: Simplify right side
    495,532.08x = 318,099,311,827.50
  5. Step 5: Solve for x
    x = 318,099,311,827.50/495,532.08
  6. Step 6: Final answer
    x = 641,934.85

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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.