Home / 715,355.96-1,075,590.90-659,882.70

Finding the Fourth Proportional to 715,355.96, 1,075,590.90 and 659,882.70

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Solution

The fourth proportional to 715,355.96, 1,075,590.90 and 659,882.70 is: 992,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,355.96 : 1,075,590.90 = 659,882.70 : x
  2. Step 2: Convert to fraction form
    715,355.96/1,075,590.90 = 659,882.70/x
  3. Step 3: Cross multiply
    715,355.96x = 1,075,590.90 × 659,882.70
  4. Step 4: Simplify right side
    715,355.96x = 709,763,827,187.43
  5. Step 5: Solve for x
    x = 709,763,827,187.43/715,355.96
  6. Step 6: Final answer
    x = 992,182.73

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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.