Home / 871,461.18-1,202,617.13-489,488.27

Finding the Fourth Proportional to 871,461.18, 1,202,617.13 and 489,488.27

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Solution

The fourth proportional to 871,461.18, 1,202,617.13 and 489,488.27 is: 675,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,461.18 : 1,202,617.13 = 489,488.27 : x
  2. Step 2: Convert to fraction form
    871,461.18/1,202,617.13 = 489,488.27/x
  3. Step 3: Cross multiply
    871,461.18x = 1,202,617.13 × 489,488.27
  4. Step 4: Simplify right side
    871,461.18x = 588,666,969,975.54
  5. Step 5: Solve for x
    x = 588,666,969,975.54/871,461.18
  6. Step 6: Final answer
    x = 675,494.20

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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.