Home / 745,094.51-1,028,201.88-422,785.38

Finding the Fourth Proportional to 745,094.51, 1,028,201.88 and 422,785.38

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Solution

The fourth proportional to 745,094.51, 1,028,201.88 and 422,785.38 is: 583,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,094.51 : 1,028,201.88 = 422,785.38 : x
  2. Step 2: Convert to fraction form
    745,094.51/1,028,201.88 = 422,785.38/x
  3. Step 3: Cross multiply
    745,094.51x = 1,028,201.88 × 422,785.38
  4. Step 4: Simplify right side
    745,094.51x = 434,708,722,552.51
  5. Step 5: Solve for x
    x = 434,708,722,552.51/745,094.51
  6. Step 6: Final answer
    x = 583,427.63

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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.