Home / 871,586.88-1,307,331.09-272,477.37

Finding the Fourth Proportional to 871,586.88, 1,307,331.09 and 272,477.37

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Solution

The fourth proportional to 871,586.88, 1,307,331.09 and 272,477.37 is: 408,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,586.88 : 1,307,331.09 = 272,477.37 : x
  2. Step 2: Convert to fraction form
    871,586.88/1,307,331.09 = 272,477.37/x
  3. Step 3: Cross multiply
    871,586.88x = 1,307,331.09 × 272,477.37
  4. Step 4: Simplify right side
    871,586.88x = 356,218,134,671.19
  5. Step 5: Solve for x
    x = 356,218,134,671.19/871,586.88
  6. Step 6: Final answer
    x = 408,700.66

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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.