Home / 840,856.27-1,260,534.40-308,252.95

Finding the Fourth Proportional to 840,856.27, 1,260,534.40 and 308,252.95

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Solution

The fourth proportional to 840,856.27, 1,260,534.40 and 308,252.95 is: 462,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,856.27 : 1,260,534.40 = 308,252.95 : x
  2. Step 2: Convert to fraction form
    840,856.27/1,260,534.40 = 308,252.95/x
  3. Step 3: Cross multiply
    840,856.27x = 1,260,534.40 × 308,252.95
  4. Step 4: Simplify right side
    840,856.27x = 388,563,447,376.48
  5. Step 5: Solve for x
    x = 388,563,447,376.48/840,856.27
  6. Step 6: Final answer
    x = 462,104.48

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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.