Home / 495,119.58-683,281.29-280,255.02

Finding the Fourth Proportional to 495,119.58, 683,281.29 and 280,255.02

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Solution

The fourth proportional to 495,119.58, 683,281.29 and 280,255.02 is: 386,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,119.58 : 683,281.29 = 280,255.02 : x
  2. Step 2: Convert to fraction form
    495,119.58/683,281.29 = 280,255.02/x
  3. Step 3: Cross multiply
    495,119.58x = 683,281.29 × 280,255.02
  4. Step 4: Simplify right side
    495,119.58x = 191,493,011,594.58
  5. Step 5: Solve for x
    x = 191,493,011,594.58/495,119.58
  6. Step 6: Final answer
    x = 386,761.14

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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.