Home / 495,627.15-683,970.29-280,762.62

Finding the Fourth Proportional to 495,627.15, 683,970.29 and 280,762.62

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Solution

The fourth proportional to 495,627.15, 683,970.29 and 280,762.62 is: 387,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,627.15 : 683,970.29 = 280,762.62 : x
  2. Step 2: Convert to fraction form
    495,627.15/683,970.29 = 280,762.62/x
  3. Step 3: Cross multiply
    495,627.15x = 683,970.29 × 280,762.62
  4. Step 4: Simplify right side
    495,627.15x = 192,033,289,218.75
  5. Step 5: Solve for x
    x = 192,033,289,218.75/495,627.15
  6. Step 6: Final answer
    x = 387,455.14

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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.