Home / 905,975.52-1,250,214.36-498,074.43

Finding the Fourth Proportional to 905,975.52, 1,250,214.36 and 498,074.43

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Solution

The fourth proportional to 905,975.52, 1,250,214.36 and 498,074.43 is: 687,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,975.52 : 1,250,214.36 = 498,074.43 : x
  2. Step 2: Convert to fraction form
    905,975.52/1,250,214.36 = 498,074.43/x
  3. Step 3: Cross multiply
    905,975.52x = 1,250,214.36 × 498,074.43
  4. Step 4: Simplify right side
    905,975.52x = 622,699,804,734.82
  5. Step 5: Solve for x
    x = 622,699,804,734.82/905,975.52
  6. Step 6: Final answer
    x = 687,325.20

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1.5x scale

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.