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Finding the Fourth Proportional to 446,452.16, 615,978.88 and 424,013.54

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Solution

The fourth proportional to 446,452.16, 615,978.88 and 424,013.54 is: 585,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,452.16 : 615,978.88 = 424,013.54 : x
  2. Step 2: Convert to fraction form
    446,452.16/615,978.88 = 424,013.54/x
  3. Step 3: Cross multiply
    446,452.16x = 615,978.88 × 424,013.54
  4. Step 4: Simplify right side
    446,452.16x = 261,183,381,334.11
  5. Step 5: Solve for x
    x = 261,183,381,334.11/446,452.16
  6. Step 6: Final answer
    x = 585,019.87

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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.