Home / 467,648.07-645,354.03-252,788.13

Finding the Fourth Proportional to 467,648.07, 645,354.03 and 252,788.13

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Solution

The fourth proportional to 467,648.07, 645,354.03 and 252,788.13 is: 348,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,648.07 : 645,354.03 = 252,788.13 : x
  2. Step 2: Convert to fraction form
    467,648.07/645,354.03 = 252,788.13/x
  3. Step 3: Cross multiply
    467,648.07x = 645,354.03 × 252,788.13
  4. Step 4: Simplify right side
    467,648.07x = 163,137,838,431.66
  5. Step 5: Solve for x
    x = 163,137,838,431.66/467,648.07
  6. Step 6: Final answer
    x = 348,847.45

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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.