Home / 898,399.70-1,347,599.55-738,967.40

Finding the Fourth Proportional to 898,399.70, 1,347,599.55 and 738,967.40

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Solution

The fourth proportional to 898,399.70, 1,347,599.55 and 738,967.40 is: 1,108,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,399.70 : 1,347,599.55 = 738,967.40 : x
  2. Step 2: Convert to fraction form
    898,399.70/1,347,599.55 = 738,967.40/x
  3. Step 3: Cross multiply
    898,399.70x = 1,347,599.55 × 738,967.40
  4. Step 4: Simplify right side
    898,399.70x = 995,832,135,704.67
  5. Step 5: Solve for x
    x = 995,832,135,704.67/898,399.70
  6. Step 6: Final answer
    x = 1,108,451.10

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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.