Home / 745,094.63-1,028,202.05-422,785.51

Finding the Fourth Proportional to 745,094.63, 1,028,202.05 and 422,785.51

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Solution

The fourth proportional to 745,094.63, 1,028,202.05 and 422,785.51 is: 583,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,094.63 : 1,028,202.05 = 422,785.51 : x
  2. Step 2: Convert to fraction form
    745,094.63/1,028,202.05 = 422,785.51/x
  3. Step 3: Cross multiply
    745,094.63x = 1,028,202.05 × 422,785.51
  4. Step 4: Simplify right side
    745,094.63x = 434,708,926,578.75
  5. Step 5: Solve for x
    x = 434,708,926,578.75/745,094.63
  6. Step 6: Final answer
    x = 583,427.81

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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.