Home / 890,832.76-1,229,027.02-585,074.78

Finding the Fourth Proportional to 890,832.76, 1,229,027.02 and 585,074.78

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Solution

The fourth proportional to 890,832.76, 1,229,027.02 and 585,074.78 is: 807,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,832.76 : 1,229,027.02 = 585,074.78 : x
  2. Step 2: Convert to fraction form
    890,832.76/1,229,027.02 = 585,074.78/x
  3. Step 3: Cross multiply
    890,832.76x = 1,229,027.02 × 585,074.78
  4. Step 4: Simplify right side
    890,832.76x = 719,072,718,817.58
  5. Step 5: Solve for x
    x = 719,072,718,817.58/890,832.76
  6. Step 6: Final answer
    x = 807,191.60

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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.