Home / 712,008.56-1,068,116.52-213,411.44

Finding the Fourth Proportional to 712,008.56, 1,068,116.52 and 213,411.44

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Solution

The fourth proportional to 712,008.56, 1,068,116.52 and 213,411.44 is: 320,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,008.56 : 1,068,116.52 = 213,411.44 : x
  2. Step 2: Convert to fraction form
    712,008.56/1,068,116.52 = 213,411.44/x
  3. Step 3: Cross multiply
    712,008.56x = 1,068,116.52 × 213,411.44
  4. Step 4: Simplify right side
    712,008.56x = 227,948,284,620.99
  5. Step 5: Solve for x
    x = 227,948,284,620.99/712,008.56
  6. Step 6: Final answer
    x = 320,148.24

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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.