Home / 980,731.84-1,471,095.60-261,073.72

Finding the Fourth Proportional to 980,731.84, 1,471,095.60 and 261,073.72

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Solution

The fourth proportional to 980,731.84, 1,471,095.60 and 261,073.72 is: 391,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,731.84 : 1,471,095.60 = 261,073.72 : x
  2. Step 2: Convert to fraction form
    980,731.84/1,471,095.60 = 261,073.72/x
  3. Step 3: Cross multiply
    980,731.84x = 1,471,095.60 × 261,073.72
  4. Step 4: Simplify right side
    980,731.84x = 384,064,400,767.63
  5. Step 5: Solve for x
    x = 384,064,400,767.63/980,731.84
  6. Step 6: Final answer
    x = 391,610.01

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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.