Home / 717,756.56-1,075,619.16-398,049.02

Finding the Fourth Proportional to 717,756.56, 1,075,619.16 and 398,049.02

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Solution

The fourth proportional to 717,756.56, 1,075,619.16 and 398,049.02 is: 596,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,756.56 : 1,075,619.16 = 398,049.02 : x
  2. Step 2: Convert to fraction form
    717,756.56/1,075,619.16 = 398,049.02/x
  3. Step 3: Cross multiply
    717,756.56x = 1,075,619.16 × 398,049.02
  4. Step 4: Simplify right side
    717,756.56x = 428,149,147,153.13
  5. Step 5: Solve for x
    x = 428,149,147,153.13/717,756.56
  6. Step 6: Final answer
    x = 596,510.26

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1.5x scale

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.