Home / 898,912.80-1,346,619.60-542,869.20

Finding the Fourth Proportional to 898,912.80, 1,346,619.60 and 542,869.20

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Solution

The fourth proportional to 898,912.80, 1,346,619.60 and 542,869.20 is: 813,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,912.80 : 1,346,619.60 = 542,869.20 : x
  2. Step 2: Convert to fraction form
    898,912.80/1,346,619.60 = 542,869.20/x
  3. Step 3: Cross multiply
    898,912.80x = 1,346,619.60 × 542,869.20
  4. Step 4: Simplify right side
    898,912.80x = 731,038,304,956.32
  5. Step 5: Solve for x
    x = 731,038,304,956.32/898,912.80
  6. Step 6: Final answer
    x = 813,247.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.