Home / 671,726.80-1,006,715.40-272,040.40

Finding the Fourth Proportional to 671,726.80, 1,006,715.40 and 272,040.40

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Solution

The fourth proportional to 671,726.80, 1,006,715.40 and 272,040.40 is: 407,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,726.80 : 1,006,715.40 = 272,040.40 : x
  2. Step 2: Convert to fraction form
    671,726.80/1,006,715.40 = 272,040.40/x
  3. Step 3: Cross multiply
    671,726.80x = 1,006,715.40 × 272,040.40
  4. Step 4: Simplify right side
    671,726.80x = 273,867,260,102.16
  5. Step 5: Solve for x
    x = 273,867,260,102.16/671,726.80
  6. Step 6: Final answer
    x = 407,706.32

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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.