Home / 488,743.46-674,438.16-284,827.58

Finding the Fourth Proportional to 488,743.46, 674,438.16 and 284,827.58

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Solution

The fourth proportional to 488,743.46, 674,438.16 and 284,827.58 is: 393,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,743.46 : 674,438.16 = 284,827.58 : x
  2. Step 2: Convert to fraction form
    488,743.46/674,438.16 = 284,827.58/x
  3. Step 3: Cross multiply
    488,743.46x = 674,438.16 × 284,827.58
  4. Step 4: Simplify right side
    488,743.46x = 192,098,588,972.45
  5. Step 5: Solve for x
    x = 192,098,588,972.45/488,743.46
  6. Step 6: Final answer
    x = 393,045.85

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1.5x scale

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.