Home / 825,621.67-1,238,555.63-293,098.11

Finding the Fourth Proportional to 825,621.67, 1,238,555.63 and 293,098.11

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Solution

The fourth proportional to 825,621.67, 1,238,555.63 and 293,098.11 is: 439,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,621.67 : 1,238,555.63 = 293,098.11 : x
  2. Step 2: Convert to fraction form
    825,621.67/1,238,555.63 = 293,098.11/x
  3. Step 3: Cross multiply
    825,621.67x = 1,238,555.63 × 293,098.11
  4. Step 4: Simplify right side
    825,621.67x = 363,018,314,282.86
  5. Step 5: Solve for x
    x = 363,018,314,282.86/825,621.67
  6. Step 6: Final answer
    x = 439,690.87

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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.