Home / 739,651.50-1,020,726.36-400,127.04

Finding the Fourth Proportional to 739,651.50, 1,020,726.36 and 400,127.04

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Solution

The fourth proportional to 739,651.50, 1,020,726.36 and 400,127.04 is: 552,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,651.50 : 1,020,726.36 = 400,127.04 : x
  2. Step 2: Convert to fraction form
    739,651.50/1,020,726.36 = 400,127.04/x
  3. Step 3: Cross multiply
    739,651.50x = 1,020,726.36 × 400,127.04
  4. Step 4: Simplify right side
    739,651.50x = 408,420,217,076.77
  5. Step 5: Solve for x
    x = 408,420,217,076.77/739,651.50
  6. Step 6: Final answer
    x = 552,179.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.