Home / 917,232.92-1,265,724.96-509,309.90

Finding the Fourth Proportional to 917,232.92, 1,265,724.96 and 509,309.90

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Solution

The fourth proportional to 917,232.92, 1,265,724.96 and 509,309.90 is: 702,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,232.92 : 1,265,724.96 = 509,309.90 : x
  2. Step 2: Convert to fraction form
    917,232.92/1,265,724.96 = 509,309.90/x
  3. Step 3: Cross multiply
    917,232.92x = 1,265,724.96 × 509,309.90
  4. Step 4: Simplify right side
    917,232.92x = 644,646,252,805.10
  5. Step 5: Solve for x
    x = 644,646,252,805.10/917,232.92
  6. Step 6: Final answer
    x = 702,816.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.