Home / 717,949.88-1,075,909.69-398,242.83

Finding the Fourth Proportional to 717,949.88, 1,075,909.69 and 398,242.83

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Solution

The fourth proportional to 717,949.88, 1,075,909.69 and 398,242.83 is: 596,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,949.88 : 1,075,909.69 = 398,242.83 : x
  2. Step 2: Convert to fraction form
    717,949.88/1,075,909.69 = 398,242.83/x
  3. Step 3: Cross multiply
    717,949.88x = 1,075,909.69 × 398,242.83
  4. Step 4: Simplify right side
    717,949.88x = 428,473,316,010.38
  5. Step 5: Solve for x
    x = 428,473,316,010.38/717,949.88
  6. Step 6: Final answer
    x = 596,801.15

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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.