Home / 715,621.39-1,073,432.70-336,263.87

Finding the Fourth Proportional to 715,621.39, 1,073,432.70 and 336,263.87

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Solution

The fourth proportional to 715,621.39, 1,073,432.70 and 336,263.87 is: 504,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,621.39 : 1,073,432.70 = 336,263.87 : x
  2. Step 2: Convert to fraction form
    715,621.39/1,073,432.70 = 336,263.87/x
  3. Step 3: Cross multiply
    715,621.39x = 1,073,432.70 × 336,263.87
  4. Step 4: Simplify right side
    715,621.39x = 360,956,636,570.13
  5. Step 5: Solve for x
    x = 360,956,636,570.13/715,621.39
  6. Step 6: Final answer
    x = 504,396.10

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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.