Home / 781,095.36-1,171,340.13-268,663.07

Finding the Fourth Proportional to 781,095.36, 1,171,340.13 and 268,663.07

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Solution

The fourth proportional to 781,095.36, 1,171,340.13 and 268,663.07 is: 402,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,095.36 : 1,171,340.13 = 268,663.07 : x
  2. Step 2: Convert to fraction form
    781,095.36/1,171,340.13 = 268,663.07/x
  3. Step 3: Cross multiply
    781,095.36x = 1,171,340.13 × 268,663.07
  4. Step 4: Simplify right side
    781,095.36x = 314,695,835,340.00
  5. Step 5: Solve for x
    x = 314,695,835,340.00/781,095.36
  6. Step 6: Final answer
    x = 402,890.42

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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.