Home / 910,704.10-1,366,122.45-349,738.60

Finding the Fourth Proportional to 910,704.10, 1,366,122.45 and 349,738.60

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Solution

The fourth proportional to 910,704.10, 1,366,122.45 and 349,738.60 is: 524,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,704.10 : 1,366,122.45 = 349,738.60 : x
  2. Step 2: Convert to fraction form
    910,704.10/1,366,122.45 = 349,738.60/x
  3. Step 3: Cross multiply
    910,704.10x = 1,366,122.45 × 349,738.60
  4. Step 4: Simplify right side
    910,704.10x = 477,785,753,091.57
  5. Step 5: Solve for x
    x = 477,785,753,091.57/910,704.10
  6. Step 6: Final answer
    x = 524,633.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.