Home / 495,432.04-683,712.36-280,567.48

Finding the Fourth Proportional to 495,432.04, 683,712.36 and 280,567.48

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Solution

The fourth proportional to 495,432.04, 683,712.36 and 280,567.48 is: 387,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,432.04 : 683,712.36 = 280,567.48 : x
  2. Step 2: Convert to fraction form
    495,432.04/683,712.36 = 280,567.48/x
  3. Step 3: Cross multiply
    495,432.04x = 683,712.36 × 280,567.48
  4. Step 4: Simplify right side
    495,432.04x = 191,827,453,890.05
  5. Step 5: Solve for x
    x = 191,827,453,890.05/495,432.04
  6. Step 6: Final answer
    x = 387,192.27

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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.