Home / 745,093.26-1,028,200.16-422,784.14

Finding the Fourth Proportional to 745,093.26, 1,028,200.16 and 422,784.14

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Solution

The fourth proportional to 745,093.26, 1,028,200.16 and 422,784.14 is: 583,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,093.26 : 1,028,200.16 = 422,784.14 : x
  2. Step 2: Convert to fraction form
    745,093.26/1,028,200.16 = 422,784.14/x
  3. Step 3: Cross multiply
    745,093.26x = 1,028,200.16 × 422,784.14
  4. Step 4: Simplify right side
    745,093.26x = 434,706,720,393.46
  5. Step 5: Solve for x
    x = 434,706,720,393.46/745,093.26
  6. Step 6: Final answer
    x = 583,425.92

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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.