Home / 890,685.16-1,229,120.10-508,704.04

Finding the Fourth Proportional to 890,685.16, 1,229,120.10 and 508,704.04

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Solution

The fourth proportional to 890,685.16, 1,229,120.10 and 508,704.04 is: 701,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,685.16 : 1,229,120.10 = 508,704.04 : x
  2. Step 2: Convert to fraction form
    890,685.16/1,229,120.10 = 508,704.04/x
  3. Step 3: Cross multiply
    890,685.16x = 1,229,120.10 × 508,704.04
  4. Step 4: Simplify right side
    890,685.16x = 625,258,360,515.20
  5. Step 5: Solve for x
    x = 625,258,360,515.20/890,685.16
  6. Step 6: Final answer
    x = 701,997.06

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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.