Home / 709,164.28-1,063,603.41-259,731.70

Finding the Fourth Proportional to 709,164.28, 1,063,603.41 and 259,731.70

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Solution

The fourth proportional to 709,164.28, 1,063,603.41 and 259,731.70 is: 389,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,164.28 : 1,063,603.41 = 259,731.70 : x
  2. Step 2: Convert to fraction form
    709,164.28/1,063,603.41 = 259,731.70/x
  3. Step 3: Cross multiply
    709,164.28x = 1,063,603.41 × 259,731.70
  4. Step 4: Simplify right side
    709,164.28x = 276,251,518,172.10
  5. Step 5: Solve for x
    x = 276,251,518,172.10/709,164.28
  6. Step 6: Final answer
    x = 389,545.17

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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.