Home / 712,208.40-1,068,458.40-239,233.20

Finding the Fourth Proportional to 712,208.40, 1,068,458.40 and 239,233.20

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Solution

The fourth proportional to 712,208.40, 1,068,458.40 and 239,233.20 is: 358,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,208.40 : 1,068,458.40 = 239,233.20 : x
  2. Step 2: Convert to fraction form
    712,208.40/1,068,458.40 = 239,233.20/x
  3. Step 3: Cross multiply
    712,208.40x = 1,068,458.40 × 239,233.20
  4. Step 4: Simplify right side
    712,208.40x = 255,610,722,098.88
  5. Step 5: Solve for x
    x = 255,610,722,098.88/712,208.40
  6. Step 6: Final answer
    x = 358,898.77

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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.