Home / 974,919.70-1,345,364.10-539,353.43

Finding the Fourth Proportional to 974,919.70, 1,345,364.10 and 539,353.43

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Solution

The fourth proportional to 974,919.70, 1,345,364.10 and 539,353.43 is: 744,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,919.70 : 1,345,364.10 = 539,353.43 : x
  2. Step 2: Convert to fraction form
    974,919.70/1,345,364.10 = 539,353.43/x
  3. Step 3: Cross multiply
    974,919.70x = 1,345,364.10 × 539,353.43
  4. Step 4: Simplify right side
    974,919.70x = 725,626,741,933.86
  5. Step 5: Solve for x
    x = 725,626,741,933.86/974,919.70
  6. Step 6: Final answer
    x = 744,293.86

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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.