Home / 745,192.11-1,028,306.34-422,902.26

Finding the Fourth Proportional to 745,192.11, 1,028,306.34 and 422,902.26

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Solution

The fourth proportional to 745,192.11, 1,028,306.34 and 422,902.26 is: 583,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,192.11 : 1,028,306.34 = 422,902.26 : x
  2. Step 2: Convert to fraction form
    745,192.11/1,028,306.34 = 422,902.26/x
  3. Step 3: Cross multiply
    745,192.11x = 1,028,306.34 × 422,902.26
  4. Step 4: Simplify right side
    745,192.11x = 434,873,075,158.33
  5. Step 5: Solve for x
    x = 434,873,075,158.33/745,192.11
  6. Step 6: Final answer
    x = 583,571.77

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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.