Home / 457,213.29-630,563.36-275,886.69

Finding the Fourth Proportional to 457,213.29, 630,563.36 and 275,886.69

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Solution

The fourth proportional to 457,213.29, 630,563.36 and 275,886.69 is: 380,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,213.29 : 630,563.36 = 275,886.69 : x
  2. Step 2: Convert to fraction form
    457,213.29/630,563.36 = 275,886.69/x
  3. Step 3: Cross multiply
    457,213.29x = 630,563.36 × 275,886.69
  4. Step 4: Simplify right side
    457,213.29x = 173,964,038,225.68
  5. Step 5: Solve for x
    x = 173,964,038,225.68/457,213.29
  6. Step 6: Final answer
    x = 380,487.71

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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.