Home / 842,512.12-1,263,937.56-310,035.94

Finding the Fourth Proportional to 842,512.12, 1,263,937.56 and 310,035.94

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Solution

The fourth proportional to 842,512.12, 1,263,937.56 and 310,035.94 is: 465,116.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,512.12 : 1,263,937.56 = 310,035.94 : x
  2. Step 2: Convert to fraction form
    842,512.12/1,263,937.56 = 310,035.94/x
  3. Step 3: Cross multiply
    842,512.12x = 1,263,937.56 × 310,035.94
  4. Step 4: Simplify right side
    842,512.12x = 391,866,069,515.91
  5. Step 5: Solve for x
    x = 391,866,069,515.91/842,512.12
  6. Step 6: Final answer
    x = 465,116.24

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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.