Home / 764,081.24-1,054,411.26-424,540.76

Finding the Fourth Proportional to 764,081.24, 1,054,411.26 and 424,540.76

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Solution

The fourth proportional to 764,081.24, 1,054,411.26 and 424,540.76 is: 585,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,081.24 : 1,054,411.26 = 424,540.76 : x
  2. Step 2: Convert to fraction form
    764,081.24/1,054,411.26 = 424,540.76/x
  3. Step 3: Cross multiply
    764,081.24x = 1,054,411.26 × 424,540.76
  4. Step 4: Simplify right side
    764,081.24x = 447,640,557,672.96
  5. Step 5: Solve for x
    x = 447,640,557,672.96/764,081.24
  6. Step 6: Final answer
    x = 585,854.66

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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.