Home / 717,751.47-1,075,611.60-398,043.96

Finding the Fourth Proportional to 717,751.47, 1,075,611.60 and 398,043.96

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Solution

The fourth proportional to 717,751.47, 1,075,611.60 and 398,043.96 is: 596,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,751.47 : 1,075,611.60 = 398,043.96 : x
  2. Step 2: Convert to fraction form
    717,751.47/1,075,611.60 = 398,043.96/x
  3. Step 3: Cross multiply
    717,751.47x = 1,075,611.60 × 398,043.96
  4. Step 4: Simplify right side
    717,751.47x = 428,140,700,685.94
  5. Step 5: Solve for x
    x = 428,140,700,685.94/717,751.47
  6. Step 6: Final answer
    x = 596,502.72

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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.