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Finding the Fourth Proportional to 653,287.34, 901,452.92 and 381,292.86

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Solution

The fourth proportional to 653,287.34, 901,452.92 and 381,292.86 is: 526,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,287.34 : 901,452.92 = 381,292.86 : x
  2. Step 2: Convert to fraction form
    653,287.34/901,452.92 = 381,292.86/x
  3. Step 3: Cross multiply
    653,287.34x = 901,452.92 × 381,292.86
  4. Step 4: Simplify right side
    653,287.34x = 343,717,562,022.15
  5. Step 5: Solve for x
    x = 343,717,562,022.15/653,287.34
  6. Step 6: Final answer
    x = 526,135.35

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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.