Home / 719,669.45-1,079,877.77-293,517.92

Finding the Fourth Proportional to 719,669.45, 1,079,877.77 and 293,517.92

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Solution

The fourth proportional to 719,669.45, 1,079,877.77 and 293,517.92 is: 440,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,669.45 : 1,079,877.77 = 293,517.92 : x
  2. Step 2: Convert to fraction form
    719,669.45/1,079,877.77 = 293,517.92/x
  3. Step 3: Cross multiply
    719,669.45x = 1,079,877.77 × 293,517.92
  4. Step 4: Simplify right side
    719,669.45x = 316,963,471,138.35
  5. Step 5: Solve for x
    x = 316,963,471,138.35/719,669.45
  6. Step 6: Final answer
    x = 440,429.25

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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.