Home / 810,760.32-1,118,120.76-675,244.08

Finding the Fourth Proportional to 810,760.32, 1,118,120.76 and 675,244.08

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Solution

The fourth proportional to 810,760.32, 1,118,120.76 and 675,244.08 is: 931,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,760.32 : 1,118,120.76 = 675,244.08 : x
  2. Step 2: Convert to fraction form
    810,760.32/1,118,120.76 = 675,244.08/x
  3. Step 3: Cross multiply
    810,760.32x = 1,118,120.76 × 675,244.08
  4. Step 4: Simplify right side
    810,760.32x = 755,004,423,915.10
  5. Step 5: Solve for x
    x = 755,004,423,915.10/810,760.32
  6. Step 6: Final answer
    x = 931,230.11

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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.