Home / 871,108.40-1,306,044.84-338,180.24

Finding the Fourth Proportional to 871,108.40, 1,306,044.84 and 338,180.24

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Solution

The fourth proportional to 871,108.40, 1,306,044.84 and 338,180.24 is: 507,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,108.40 : 1,306,044.84 = 338,180.24 : x
  2. Step 2: Convert to fraction form
    871,108.40/1,306,044.84 = 338,180.24/x
  3. Step 3: Cross multiply
    871,108.40x = 1,306,044.84 × 338,180.24
  4. Step 4: Simplify right side
    871,108.40x = 441,678,557,441.96
  5. Step 5: Solve for x
    x = 441,678,557,441.96/871,108.40
  6. Step 6: Final answer
    x = 507,030.53

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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.