Home / 871,652.06-1,202,872.59-489,670.58

Finding the Fourth Proportional to 871,652.06, 1,202,872.59 and 489,670.58

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Solution

The fourth proportional to 871,652.06, 1,202,872.59 and 489,670.58 is: 675,741.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,652.06 : 1,202,872.59 = 489,670.58 : x
  2. Step 2: Convert to fraction form
    871,652.06/1,202,872.59 = 489,670.58/x
  3. Step 3: Cross multiply
    871,652.06x = 1,202,872.59 × 489,670.58
  4. Step 4: Simplify right side
    871,652.06x = 589,011,318,811.40
  5. Step 5: Solve for x
    x = 589,011,318,811.40/871,652.06
  6. Step 6: Final answer
    x = 675,741.33

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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.