Home / 467,823.75-645,596.31-252,963.30

Finding the Fourth Proportional to 467,823.75, 645,596.31 and 252,963.30

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Solution

The fourth proportional to 467,823.75, 645,596.31 and 252,963.30 is: 349,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,823.75 : 645,596.31 = 252,963.30 : x
  2. Step 2: Convert to fraction form
    467,823.75/645,596.31 = 252,963.30/x
  3. Step 3: Cross multiply
    467,823.75x = 645,596.31 × 252,963.30
  4. Step 4: Simplify right side
    467,823.75x = 163,312,173,045.42
  5. Step 5: Solve for x
    x = 163,312,173,045.42/467,823.75
  6. Step 6: Final answer
    x = 349,089.10

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1.5x scale

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.