Home / 771,959.70-1,158,147.18-322,531.20

Finding the Fourth Proportional to 771,959.70, 1,158,147.18 and 322,531.20

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Solution

The fourth proportional to 771,959.70, 1,158,147.18 and 322,531.20 is: 483,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,959.70 : 1,158,147.18 = 322,531.20 : x
  2. Step 2: Convert to fraction form
    771,959.70/1,158,147.18 = 322,531.20/x
  3. Step 3: Cross multiply
    771,959.70x = 1,158,147.18 × 322,531.20
  4. Step 4: Simplify right side
    771,959.70x = 373,538,599,742.02
  5. Step 5: Solve for x
    x = 373,538,599,742.02/771,959.70
  6. Step 6: Final answer
    x = 483,883.55

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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.