Home / 834,397.67-1,251,649.40-322,307.10

Finding the Fourth Proportional to 834,397.67, 1,251,649.40 and 322,307.10

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Solution

The fourth proportional to 834,397.67, 1,251,649.40 and 322,307.10 is: 483,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,397.67 : 1,251,649.40 = 322,307.10 : x
  2. Step 2: Convert to fraction form
    834,397.67/1,251,649.40 = 322,307.10/x
  3. Step 3: Cross multiply
    834,397.67x = 1,251,649.40 × 322,307.10
  4. Step 4: Simplify right side
    834,397.67x = 403,415,486,719.20
  5. Step 5: Solve for x
    x = 403,415,486,719.20/834,397.67
  6. Step 6: Final answer
    x = 483,481.08

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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.