Home / 712,930.10-1,069,557.15-239,663.30

Finding the Fourth Proportional to 712,930.10, 1,069,557.15 and 239,663.30

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Solution

The fourth proportional to 712,930.10, 1,069,557.15 and 239,663.30 is: 359,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,930.10 : 1,069,557.15 = 239,663.30 : x
  2. Step 2: Convert to fraction form
    712,930.10/1,069,557.15 = 239,663.30/x
  3. Step 3: Cross multiply
    712,930.10x = 1,069,557.15 × 239,663.30
  4. Step 4: Simplify right side
    712,930.10x = 256,333,596,107.60
  5. Step 5: Solve for x
    x = 256,333,596,107.60/712,930.10
  6. Step 6: Final answer
    x = 359,549.41

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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.