Home / 871,246.86-1,202,347.56-489,281.84

Finding the Fourth Proportional to 871,246.86, 1,202,347.56 and 489,281.84

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Solution

The fourth proportional to 871,246.86, 1,202,347.56 and 489,281.84 is: 675,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,246.86 : 1,202,347.56 = 489,281.84 : x
  2. Step 2: Convert to fraction form
    871,246.86/1,202,347.56 = 489,281.84/x
  3. Step 3: Cross multiply
    871,246.86x = 1,202,347.56 × 489,281.84
  4. Step 4: Simplify right side
    871,246.86x = 588,286,826,476.31
  5. Step 5: Solve for x
    x = 588,286,826,476.31/871,246.86
  6. Step 6: Final answer
    x = 675,224.04

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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.