Home / 871,294.40-1,306,342.20-444,003.20

Finding the Fourth Proportional to 871,294.40, 1,306,342.20 and 444,003.20

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Solution

The fourth proportional to 871,294.40, 1,306,342.20 and 444,003.20 is: 665,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,294.40 : 1,306,342.20 = 444,003.20 : x
  2. Step 2: Convert to fraction form
    871,294.40/1,306,342.20 = 444,003.20/x
  3. Step 3: Cross multiply
    871,294.40x = 1,306,342.20 × 444,003.20
  4. Step 4: Simplify right side
    871,294.40x = 580,020,117,095.04
  5. Step 5: Solve for x
    x = 580,020,117,095.04/871,294.40
  6. Step 6: Final answer
    x = 665,699.35

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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.