Home / 898,206.40-1,347,309.60-543,912.40

Finding the Fourth Proportional to 898,206.40, 1,347,309.60 and 543,912.40

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Solution

The fourth proportional to 898,206.40, 1,347,309.60 and 543,912.40 is: 815,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,206.40 : 1,347,309.60 = 543,912.40 : x
  2. Step 2: Convert to fraction form
    898,206.40/1,347,309.60 = 543,912.40/x
  3. Step 3: Cross multiply
    898,206.40x = 1,347,309.60 × 543,912.40
  4. Step 4: Simplify right side
    898,206.40x = 732,818,398,079.04
  5. Step 5: Solve for x
    x = 732,818,398,079.04/898,206.40
  6. Step 6: Final answer
    x = 815,868.60

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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.