Home / 842,191.36-1,263,787.20-310,086.24

Finding the Fourth Proportional to 842,191.36, 1,263,787.20 and 310,086.24

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Solution

The fourth proportional to 842,191.36, 1,263,787.20 and 310,086.24 is: 465,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,191.36 : 1,263,787.20 = 310,086.24 : x
  2. Step 2: Convert to fraction form
    842,191.36/1,263,787.20 = 310,086.24/x
  3. Step 3: Cross multiply
    842,191.36x = 1,263,787.20 × 310,086.24
  4. Step 4: Simplify right side
    842,191.36x = 391,883,021,008.13
  5. Step 5: Solve for x
    x = 391,883,021,008.13/842,191.36
  6. Step 6: Final answer
    x = 465,313.51

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Double scale
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1.5x scale

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.