Home / 871,590.24-1,202,795.22-489,617.28

Finding the Fourth Proportional to 871,590.24, 1,202,795.22 and 489,617.28

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Solution

The fourth proportional to 871,590.24, 1,202,795.22 and 489,617.28 is: 675,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,590.24 : 1,202,795.22 = 489,617.28 : x
  2. Step 2: Convert to fraction form
    871,590.24/1,202,795.22 = 489,617.28/x
  3. Step 3: Cross multiply
    871,590.24x = 1,202,795.22 × 489,617.28
  4. Step 4: Simplify right side
    871,590.24x = 588,909,324,013.40
  5. Step 5: Solve for x
    x = 588,909,324,013.40/871,590.24
  6. Step 6: Final answer
    x = 675,672.23

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1.5x scale

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.