Home / 913,254.66-1,369,891.38-407,841.36

Finding the Fourth Proportional to 913,254.66, 1,369,891.38 and 407,841.36

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Solution

The fourth proportional to 913,254.66, 1,369,891.38 and 407,841.36 is: 611,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,254.66 : 1,369,891.38 = 407,841.36 : x
  2. Step 2: Convert to fraction form
    913,254.66/1,369,891.38 = 407,841.36/x
  3. Step 3: Cross multiply
    913,254.66x = 1,369,891.38 × 407,841.36
  4. Step 4: Simplify right side
    913,254.66x = 558,698,363,471.48
  5. Step 5: Solve for x
    x = 558,698,363,471.48/913,254.66
  6. Step 6: Final answer
    x = 611,766.23

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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.