Home / 717,833.94-1,075,734.96-398,126.53

Finding the Fourth Proportional to 717,833.94, 1,075,734.96 and 398,126.53

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Solution

The fourth proportional to 717,833.94, 1,075,734.96 and 398,126.53 is: 596,626.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,833.94 : 1,075,734.96 = 398,126.53 : x
  2. Step 2: Convert to fraction form
    717,833.94/1,075,734.96 = 398,126.53/x
  3. Step 3: Cross multiply
    717,833.94x = 1,075,734.96 × 398,126.53
  4. Step 4: Simplify right side
    717,833.94x = 428,278,626,824.49
  5. Step 5: Solve for x
    x = 428,278,626,824.49/717,833.94
  6. Step 6: Final answer
    x = 596,626.33

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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.