Home / 759,228.88-1,047,896.04-631,780.24

Finding the Fourth Proportional to 759,228.88, 1,047,896.04 and 631,780.24

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Solution

The fourth proportional to 759,228.88, 1,047,896.04 and 631,780.24 is: 871,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,228.88 : 1,047,896.04 = 631,780.24 : x
  2. Step 2: Convert to fraction form
    759,228.88/1,047,896.04 = 631,780.24/x
  3. Step 3: Cross multiply
    759,228.88x = 1,047,896.04 × 631,780.24
  4. Step 4: Simplify right side
    759,228.88x = 662,040,011,646.25
  5. Step 5: Solve for x
    x = 662,040,011,646.25/759,228.88
  6. Step 6: Final answer
    x = 871,990.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.