Home / 715,218.12-1,073,765.34-479,615.40

Finding the Fourth Proportional to 715,218.12, 1,073,765.34 and 479,615.40

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Solution

The fourth proportional to 715,218.12, 1,073,765.34 and 479,615.40 is: 720,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,218.12 : 1,073,765.34 = 479,615.40 : x
  2. Step 2: Convert to fraction form
    715,218.12/1,073,765.34 = 479,615.40/x
  3. Step 3: Cross multiply
    715,218.12x = 1,073,765.34 × 479,615.40
  4. Step 4: Simplify right side
    715,218.12x = 514,994,393,050.24
  5. Step 5: Solve for x
    x = 514,994,393,050.24/715,218.12
  6. Step 6: Final answer
    x = 720,052.22

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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.