Home / 488,746.46-674,442.30-284,830.58

Finding the Fourth Proportional to 488,746.46, 674,442.30 and 284,830.58

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Solution

The fourth proportional to 488,746.46, 674,442.30 and 284,830.58 is: 393,049.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,746.46 : 674,442.30 = 284,830.58 : x
  2. Step 2: Convert to fraction form
    488,746.46/674,442.30 = 284,830.58/x
  3. Step 3: Cross multiply
    488,746.46x = 674,442.30 × 284,830.58
  4. Step 4: Simplify right side
    488,746.46x = 192,101,791,485.53
  5. Step 5: Solve for x
    x = 192,101,791,485.53/488,746.46
  6. Step 6: Final answer
    x = 393,049.99

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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.