Home / 948,742.31-1,423,581.03-443,338.16

Finding the Fourth Proportional to 948,742.31, 1,423,581.03 and 443,338.16

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Solution

The fourth proportional to 948,742.31, 1,423,581.03 and 443,338.16 is: 665,225.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,742.31 : 1,423,581.03 = 443,338.16 : x
  2. Step 2: Convert to fraction form
    948,742.31/1,423,581.03 = 443,338.16/x
  3. Step 3: Cross multiply
    948,742.31x = 1,423,581.03 × 443,338.16
  4. Step 4: Simplify right side
    948,742.31x = 631,127,787,333.20
  5. Step 5: Solve for x
    x = 631,127,787,333.20/948,742.31
  6. Step 6: Final answer
    x = 665,225.72

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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.