Home / 715,920.72-1,073,210.40-242,274.48

Finding the Fourth Proportional to 715,920.72, 1,073,210.40 and 242,274.48

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Solution

The fourth proportional to 715,920.72, 1,073,210.40 and 242,274.48 is: 363,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,920.72 : 1,073,210.40 = 242,274.48 : x
  2. Step 2: Convert to fraction form
    715,920.72/1,073,210.40 = 242,274.48/x
  3. Step 3: Cross multiply
    715,920.72x = 1,073,210.40 × 242,274.48
  4. Step 4: Simplify right side
    715,920.72x = 260,011,491,590.59
  5. Step 5: Solve for x
    x = 260,011,491,590.59/715,920.72
  6. Step 6: Final answer
    x = 363,184.76

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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.