Home / 717,763.22-1,075,629.20-398,055.74

Finding the Fourth Proportional to 717,763.22, 1,075,629.20 and 398,055.74

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Solution

The fourth proportional to 717,763.22, 1,075,629.20 and 398,055.74 is: 596,520.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,763.22 : 1,075,629.20 = 398,055.74 : x
  2. Step 2: Convert to fraction form
    717,763.22/1,075,629.20 = 398,055.74/x
  3. Step 3: Cross multiply
    717,763.22x = 1,075,629.20 × 398,055.74
  4. Step 4: Simplify right side
    717,763.22x = 428,160,377,171.61
  5. Step 5: Solve for x
    x = 428,160,377,171.61/717,763.22
  6. Step 6: Final answer
    x = 596,520.36

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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.