Home / 871,597.17-1,202,916.45-489,697.76

Finding the Fourth Proportional to 871,597.17, 1,202,916.45 and 489,697.76

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Solution

The fourth proportional to 871,597.17, 1,202,916.45 and 489,697.76 is: 675,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,597.17 : 1,202,916.45 = 489,697.76 : x
  2. Step 2: Convert to fraction form
    871,597.17/1,202,916.45 = 489,697.76/x
  3. Step 3: Cross multiply
    871,597.17x = 1,202,916.45 × 489,697.76
  4. Step 4: Simplify right side
    871,597.17x = 589,065,485,017.57
  5. Step 5: Solve for x
    x = 589,065,485,017.57/871,597.17
  6. Step 6: Final answer
    x = 675,846.03

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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.