Home / 744,230.16-1,027,113.75-438,402.78

Finding the Fourth Proportional to 744,230.16, 1,027,113.75 and 438,402.78

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Solution

The fourth proportional to 744,230.16, 1,027,113.75 and 438,402.78 is: 605,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,230.16 : 1,027,113.75 = 438,402.78 : x
  2. Step 2: Convert to fraction form
    744,230.16/1,027,113.75 = 438,402.78/x
  3. Step 3: Cross multiply
    744,230.16x = 1,027,113.75 × 438,402.78
  4. Step 4: Simplify right side
    744,230.16x = 450,289,523,376.23
  5. Step 5: Solve for x
    x = 450,289,523,376.23/744,230.16
  6. Step 6: Final answer
    x = 605,040.68

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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.