Home / 832,493.21-1,148,844.25-450,520.02

Finding the Fourth Proportional to 832,493.21, 1,148,844.25 and 450,520.02

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Solution

The fourth proportional to 832,493.21, 1,148,844.25 and 450,520.02 is: 621,719.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,493.21 : 1,148,844.25 = 450,520.02 : x
  2. Step 2: Convert to fraction form
    832,493.21/1,148,844.25 = 450,520.02/x
  3. Step 3: Cross multiply
    832,493.21x = 1,148,844.25 × 450,520.02
  4. Step 4: Simplify right side
    832,493.21x = 517,577,336,232.70
  5. Step 5: Solve for x
    x = 517,577,336,232.70/832,493.21
  6. Step 6: Final answer
    x = 621,719.59

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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.