Home / 712,537.92-1,068,858.72-239,219.28

Finding the Fourth Proportional to 712,537.92, 1,068,858.72 and 239,219.28

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Solution

The fourth proportional to 712,537.92, 1,068,858.72 and 239,219.28 is: 358,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,537.92 : 1,068,858.72 = 239,219.28 : x
  2. Step 2: Convert to fraction form
    712,537.92/1,068,858.72 = 239,219.28/x
  3. Step 3: Cross multiply
    712,537.92x = 1,068,858.72 × 239,219.28
  4. Step 4: Simplify right side
    712,537.92x = 255,691,613,420.12
  5. Step 5: Solve for x
    x = 255,691,613,420.12/712,537.92
  6. Step 6: Final answer
    x = 358,846.32

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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.