Home / 840,856.77-1,260,535.15-308,253.45

Finding the Fourth Proportional to 840,856.77, 1,260,535.15 and 308,253.45

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Solution

The fourth proportional to 840,856.77, 1,260,535.15 and 308,253.45 is: 462,105.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,856.77 : 1,260,535.15 = 308,253.45 : x
  2. Step 2: Convert to fraction form
    840,856.77/1,260,535.15 = 308,253.45/x
  3. Step 3: Cross multiply
    840,856.77x = 1,260,535.15 × 308,253.45
  4. Step 4: Simplify right side
    840,856.77x = 388,564,308,833.77
  5. Step 5: Solve for x
    x = 388,564,308,833.77/840,856.77
  6. Step 6: Final answer
    x = 462,105.23

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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.