Home / 742,229.56-1,023,600.51-627,748.24

Finding the Fourth Proportional to 742,229.56, 1,023,600.51 and 627,748.24

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Solution

The fourth proportional to 742,229.56, 1,023,600.51 and 627,748.24 is: 865,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,229.56 : 1,023,600.51 = 627,748.24 : x
  2. Step 2: Convert to fraction form
    742,229.56/1,023,600.51 = 627,748.24/x
  3. Step 3: Cross multiply
    742,229.56x = 1,023,600.51 × 627,748.24
  4. Step 4: Simplify right side
    742,229.56x = 642,563,418,615.60
  5. Step 5: Solve for x
    x = 642,563,418,615.60/742,229.56
  6. Step 6: Final answer
    x = 865,720.60

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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.