Home / 825,113.76-1,238,026.26-446,301.20

Finding the Fourth Proportional to 825,113.76, 1,238,026.26 and 446,301.20

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Solution

The fourth proportional to 825,113.76, 1,238,026.26 and 446,301.20 is: 669,644.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,113.76 : 1,238,026.26 = 446,301.20 : x
  2. Step 2: Convert to fraction form
    825,113.76/1,238,026.26 = 446,301.20/x
  3. Step 3: Cross multiply
    825,113.76x = 1,238,026.26 × 446,301.20
  4. Step 4: Simplify right side
    825,113.76x = 552,532,599,279.38
  5. Step 5: Solve for x
    x = 552,532,599,279.38/825,113.76
  6. Step 6: Final answer
    x = 669,644.15

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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.