Home / 467,742.98-645,486.88-252,884.57

Finding the Fourth Proportional to 467,742.98, 645,486.88 and 252,884.57

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Solution

The fourth proportional to 467,742.98, 645,486.88 and 252,884.57 is: 348,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,742.98 : 645,486.88 = 252,884.57 : x
  2. Step 2: Convert to fraction form
    467,742.98/645,486.88 = 252,884.57/x
  3. Step 3: Cross multiply
    467,742.98x = 645,486.88 × 252,884.57
  4. Step 4: Simplify right side
    467,742.98x = 163,233,673,070.95
  5. Step 5: Solve for x
    x = 163,233,673,070.95/467,742.98
  6. Step 6: Final answer
    x = 348,981.55

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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.