Home / 871,313.94-1,302,299.46-785,729.34

Finding the Fourth Proportional to 871,313.94, 1,302,299.46 and 785,729.34

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Solution

The fourth proportional to 871,313.94, 1,302,299.46 and 785,729.34 is: 1,174,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,313.94 : 1,302,299.46 = 785,729.34 : x
  2. Step 2: Convert to fraction form
    871,313.94/1,302,299.46 = 785,729.34/x
  3. Step 3: Cross multiply
    871,313.94x = 1,302,299.46 × 785,729.34
  4. Step 4: Simplify right side
    871,313.94x = 1,023,254,895,188.16
  5. Step 5: Solve for x
    x = 1,023,254,895,188.16/871,313.94
  6. Step 6: Final answer
    x = 1,174,381.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.