Home / 871,927.76-1,307,185.80-272,580.32

Finding the Fourth Proportional to 871,927.76, 1,307,185.80 and 272,580.32

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Solution

The fourth proportional to 871,927.76, 1,307,185.80 and 272,580.32 is: 408,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,927.76 : 1,307,185.80 = 272,580.32 : x
  2. Step 2: Convert to fraction form
    871,927.76/1,307,185.80 = 272,580.32/x
  3. Step 3: Cross multiply
    871,927.76x = 1,307,185.80 × 272,580.32
  4. Step 4: Simplify right side
    871,927.76x = 356,313,123,663.46
  5. Step 5: Solve for x
    x = 356,313,123,663.46/871,927.76
  6. Step 6: Final answer
    x = 408,649.82

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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.