Home / 840,862.08-1,260,542.97-308,258.70

Finding the Fourth Proportional to 840,862.08, 1,260,542.97 and 308,258.70

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Solution

The fourth proportional to 840,862.08, 1,260,542.97 and 308,258.70 is: 462,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,862.08 : 1,260,542.97 = 308,258.70 : x
  2. Step 2: Convert to fraction form
    840,862.08/1,260,542.97 = 308,258.70/x
  3. Step 3: Cross multiply
    840,862.08x = 1,260,542.97 × 308,258.70
  4. Step 4: Simplify right side
    840,862.08x = 388,573,337,226.34
  5. Step 5: Solve for x
    x = 388,573,337,226.34/840,862.08
  6. Step 6: Final answer
    x = 462,113.05

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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.