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Finding the Fourth Proportional to 637,714.92, 880,028.58 and 347,319.90

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Solution

The fourth proportional to 637,714.92, 880,028.58 and 347,319.90 is: 479,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,714.92 : 880,028.58 = 347,319.90 : x
  2. Step 2: Convert to fraction form
    637,714.92/880,028.58 = 347,319.90/x
  3. Step 3: Cross multiply
    637,714.92x = 880,028.58 × 347,319.90
  4. Step 4: Simplify right side
    637,714.92x = 305,651,438,402.74
  5. Step 5: Solve for x
    x = 305,651,438,402.74/637,714.92
  6. Step 6: Final answer
    x = 479,291.65

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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.