Home / 457,205.16-630,952.04-273,632.72

Finding the Fourth Proportional to 457,205.16, 630,952.04 and 273,632.72

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Solution

The fourth proportional to 457,205.16, 630,952.04 and 273,632.72 is: 377,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,205.16 : 630,952.04 = 273,632.72 : x
  2. Step 2: Convert to fraction form
    457,205.16/630,952.04 = 273,632.72/x
  3. Step 3: Cross multiply
    457,205.16x = 630,952.04 × 273,632.72
  4. Step 4: Simplify right side
    457,205.16x = 172,649,122,894.75
  5. Step 5: Solve for x
    x = 172,649,122,894.75/457,205.16
  6. Step 6: Final answer
    x = 377,618.49

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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.