Home / 905,900.24-1,250,158.23-498,019.22

Finding the Fourth Proportional to 905,900.24, 1,250,158.23 and 498,019.22

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Solution

The fourth proportional to 905,900.24, 1,250,158.23 and 498,019.22 is: 687,275.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,900.24 : 1,250,158.23 = 498,019.22 : x
  2. Step 2: Convert to fraction form
    905,900.24/1,250,158.23 = 498,019.22/x
  3. Step 3: Cross multiply
    905,900.24x = 1,250,158.23 × 498,019.22
  4. Step 4: Simplify right side
    905,900.24x = 622,602,826,581.18
  5. Step 5: Solve for x
    x = 622,602,826,581.18/905,900.24
  6. Step 6: Final answer
    x = 687,275.26

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Double scale
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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.