Home / 891,087-1,335,925.19-322,379.52

Finding the Fourth Proportional to 891,087, 1,335,925.19 and 322,379.52

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Solution

The fourth proportional to 891,087, 1,335,925.19 and 322,379.52 is: 483,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,087 : 1,335,925.19 = 322,379.52 : x
  2. Step 2: Convert to fraction form
    891,087/1,335,925.19 = 322,379.52/x
  3. Step 3: Cross multiply
    891,087x = 1,335,925.19 × 322,379.52
  4. Step 4: Simplify right side
    891,087x = 430,674,919,896.21
  5. Step 5: Solve for x
    x = 430,674,919,896.21/891,087
  6. Step 6: Final answer
    x = 483,314.11

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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.