Home / 699,239.88-1,048,373.82-357,018.12

Finding the Fourth Proportional to 699,239.88, 1,048,373.82 and 357,018.12

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Solution

The fourth proportional to 699,239.88, 1,048,373.82 and 357,018.12 is: 535,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,239.88 : 1,048,373.82 = 357,018.12 : x
  2. Step 2: Convert to fraction form
    699,239.88/1,048,373.82 = 357,018.12/x
  3. Step 3: Cross multiply
    699,239.88x = 1,048,373.82 × 357,018.12
  4. Step 4: Simplify right side
    699,239.88x = 374,288,450,273.62
  5. Step 5: Solve for x
    x = 374,288,450,273.62/699,239.88
  6. Step 6: Final answer
    x = 535,279.04

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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.