Home / 745,199.24-1,028,516.66-422,939.52

Finding the Fourth Proportional to 745,199.24, 1,028,516.66 and 422,939.52

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Solution

The fourth proportional to 745,199.24, 1,028,516.66 and 422,939.52 is: 583,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,199.24 : 1,028,516.66 = 422,939.52 : x
  2. Step 2: Convert to fraction form
    745,199.24/1,028,516.66 = 422,939.52/x
  3. Step 3: Cross multiply
    745,199.24x = 1,028,516.66 × 422,939.52
  4. Step 4: Simplify right side
    745,199.24x = 435,000,342,492.40
  5. Step 5: Solve for x
    x = 435,000,342,492.40/745,199.24
  6. Step 6: Final answer
    x = 583,736.96

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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.