Home / 768,246.76-1,060,181.40-428,714.92

Finding the Fourth Proportional to 768,246.76, 1,060,181.40 and 428,714.92

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Solution

The fourth proportional to 768,246.76, 1,060,181.40 and 428,714.92 is: 591,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,246.76 : 1,060,181.40 = 428,714.92 : x
  2. Step 2: Convert to fraction form
    768,246.76/1,060,181.40 = 428,714.92/x
  3. Step 3: Cross multiply
    768,246.76x = 1,060,181.40 × 428,714.92
  4. Step 4: Simplify right side
    768,246.76x = 454,515,584,086.49
  5. Step 5: Solve for x
    x = 454,515,584,086.49/768,246.76
  6. Step 6: Final answer
    x = 591,627.08

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Double scale
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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.