Home / 717,846.92-1,075,754.46-398,139.52

Finding the Fourth Proportional to 717,846.92, 1,075,754.46 and 398,139.52

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Solution

The fourth proportional to 717,846.92, 1,075,754.46 and 398,139.52 is: 596,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,846.92 : 1,075,754.46 = 398,139.52 : x
  2. Step 2: Convert to fraction form
    717,846.92/1,075,754.46 = 398,139.52/x
  3. Step 3: Cross multiply
    717,846.92x = 1,075,754.46 × 398,139.52
  4. Step 4: Simplify right side
    717,846.92x = 428,300,364,342.26
  5. Step 5: Solve for x
    x = 428,300,364,342.26/717,846.92
  6. Step 6: Final answer
    x = 596,645.82

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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.