Home / 495,341.53-683,573.93-280,523.41

Finding the Fourth Proportional to 495,341.53, 683,573.93 and 280,523.41

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Solution

The fourth proportional to 495,341.53, 683,573.93 and 280,523.41 is: 387,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,341.53 : 683,573.93 = 280,523.41 : x
  2. Step 2: Convert to fraction form
    495,341.53/683,573.93 = 280,523.41/x
  3. Step 3: Cross multiply
    495,341.53x = 683,573.93 × 280,523.41
  4. Step 4: Simplify right side
    495,341.53x = 191,758,489,830.70
  5. Step 5: Solve for x
    x = 191,758,489,830.70/495,341.53
  6. Step 6: Final answer
    x = 387,123.79

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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.