Home / 807,422.74-1,211,370.96-238,818.84

Finding the Fourth Proportional to 807,422.74, 1,211,370.96 and 238,818.84

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Solution

The fourth proportional to 807,422.74, 1,211,370.96 and 238,818.84 is: 358,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,422.74 : 1,211,370.96 = 238,818.84 : x
  2. Step 2: Convert to fraction form
    807,422.74/1,211,370.96 = 238,818.84/x
  3. Step 3: Cross multiply
    807,422.74x = 1,211,370.96 × 238,818.84
  4. Step 4: Simplify right side
    807,422.74x = 289,298,207,476.89
  5. Step 5: Solve for x
    x = 289,298,207,476.89/807,422.74
  6. Step 6: Final answer
    x = 358,298.32

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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.