Home / 846,003.72-1,167,478.76-464,027.78

Finding the Fourth Proportional to 846,003.72, 1,167,478.76 and 464,027.78

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Solution

The fourth proportional to 846,003.72, 1,167,478.76 and 464,027.78 is: 640,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,003.72 : 1,167,478.76 = 464,027.78 : x
  2. Step 2: Convert to fraction form
    846,003.72/1,167,478.76 = 464,027.78/x
  3. Step 3: Cross multiply
    846,003.72x = 1,167,478.76 × 464,027.78
  4. Step 4: Simplify right side
    846,003.72x = 541,742,577,199.95
  5. Step 5: Solve for x
    x = 541,742,577,199.95/846,003.72
  6. Step 6: Final answer
    x = 640,354.84

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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.