Home / 719,774.87-1,079,659.19-293,215.56

Finding the Fourth Proportional to 719,774.87, 1,079,659.19 and 293,215.56

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Solution

The fourth proportional to 719,774.87, 1,079,659.19 and 293,215.56 is: 439,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,774.87 : 1,079,659.19 = 293,215.56 : x
  2. Step 2: Convert to fraction form
    719,774.87/1,079,659.19 = 293,215.56/x
  3. Step 3: Cross multiply
    719,774.87x = 1,079,659.19 × 293,215.56
  4. Step 4: Simplify right side
    719,774.87x = 316,572,872,538.92
  5. Step 5: Solve for x
    x = 316,572,872,538.92/719,774.87
  6. Step 6: Final answer
    x = 439,822.07

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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.