Home / 782,447.17-1,173,532.03-355,883.35

Finding the Fourth Proportional to 782,447.17, 1,173,532.03 and 355,883.35

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Solution

The fourth proportional to 782,447.17, 1,173,532.03 and 355,883.35 is: 533,761.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,447.17 : 1,173,532.03 = 355,883.35 : x
  2. Step 2: Convert to fraction form
    782,447.17/1,173,532.03 = 355,883.35/x
  3. Step 3: Cross multiply
    782,447.17x = 1,173,532.03 × 355,883.35
  4. Step 4: Simplify right side
    782,447.17x = 417,640,510,168.70
  5. Step 5: Solve for x
    x = 417,640,510,168.70/782,447.17
  6. Step 6: Final answer
    x = 533,761.93

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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.