Home / 717,537.29-1,076,301.61-218,901.29

Finding the Fourth Proportional to 717,537.29, 1,076,301.61 and 218,901.29

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Solution

The fourth proportional to 717,537.29, 1,076,301.61 and 218,901.29 is: 328,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,537.29 : 1,076,301.61 = 218,901.29 : x
  2. Step 2: Convert to fraction form
    717,537.29/1,076,301.61 = 218,901.29/x
  3. Step 3: Cross multiply
    717,537.29x = 1,076,301.61 × 218,901.29
  4. Step 4: Simplify right side
    717,537.29x = 235,603,804,929.32
  5. Step 5: Solve for x
    x = 235,603,804,929.32/717,537.29
  6. Step 6: Final answer
    x = 328,350.61

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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.