Home / 901,171.32-1,352,207.34-421,197.72

Finding the Fourth Proportional to 901,171.32, 1,352,207.34 and 421,197.72

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Solution

The fourth proportional to 901,171.32, 1,352,207.34 and 421,197.72 is: 632,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,171.32 : 1,352,207.34 = 421,197.72 : x
  2. Step 2: Convert to fraction form
    901,171.32/1,352,207.34 = 421,197.72/x
  3. Step 3: Cross multiply
    901,171.32x = 1,352,207.34 × 421,197.72
  4. Step 4: Simplify right side
    901,171.32x = 569,546,648,575.27
  5. Step 5: Solve for x
    x = 569,546,648,575.27/901,171.32
  6. Step 6: Final answer
    x = 632,007.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.