Home / 715,471.32-1,073,280.69-210,030.33

Finding the Fourth Proportional to 715,471.32, 1,073,280.69 and 210,030.33

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Solution

The fourth proportional to 715,471.32, 1,073,280.69 and 210,030.33 is: 315,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,471.32 : 1,073,280.69 = 210,030.33 : x
  2. Step 2: Convert to fraction form
    715,471.32/1,073,280.69 = 210,030.33/x
  3. Step 3: Cross multiply
    715,471.32x = 1,073,280.69 × 210,030.33
  4. Step 4: Simplify right side
    715,471.32x = 225,421,497,503.33
  5. Step 5: Solve for x
    x = 225,421,497,503.33/715,471.32
  6. Step 6: Final answer
    x = 315,067.13

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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.