Home / 495,348.28-683,583.26-280,530.16

Finding the Fourth Proportional to 495,348.28, 683,583.26 and 280,530.16

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Solution

The fourth proportional to 495,348.28, 683,583.26 and 280,530.16 is: 387,133.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,348.28 : 683,583.26 = 280,530.16 : x
  2. Step 2: Convert to fraction form
    495,348.28/683,583.26 = 280,530.16/x
  3. Step 3: Cross multiply
    495,348.28x = 683,583.26 × 280,530.16
  4. Step 4: Simplify right side
    495,348.28x = 191,765,721,301.12
  5. Step 5: Solve for x
    x = 191,765,721,301.12/495,348.28
  6. Step 6: Final answer
    x = 387,133.11

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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.