Home / 467,823.69-645,597.20-252,963.70

Finding the Fourth Proportional to 467,823.69, 645,597.20 and 252,963.70

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Solution

The fourth proportional to 467,823.69, 645,597.20 and 252,963.70 is: 349,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,823.69 : 645,597.20 = 252,963.70 : x
  2. Step 2: Convert to fraction form
    467,823.69/645,597.20 = 252,963.70/x
  3. Step 3: Cross multiply
    467,823.69x = 645,597.20 × 252,963.70
  4. Step 4: Simplify right side
    467,823.69x = 163,312,656,421.64
  5. Step 5: Solve for x
    x = 163,312,656,421.64/467,823.69
  6. Step 6: Final answer
    x = 349,090.18

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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.