Home / 457,004.28-630,658.21-253,050.81

Finding the Fourth Proportional to 457,004.28, 630,658.21 and 253,050.81

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Solution

The fourth proportional to 457,004.28, 630,658.21 and 253,050.81 is: 349,205.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,004.28 : 630,658.21 = 253,050.81 : x
  2. Step 2: Convert to fraction form
    457,004.28/630,658.21 = 253,050.81/x
  3. Step 3: Cross multiply
    457,004.28x = 630,658.21 × 253,050.81
  4. Step 4: Simplify right side
    457,004.28x = 159,588,570,873.65
  5. Step 5: Solve for x
    x = 159,588,570,873.65/457,004.28
  6. Step 6: Final answer
    x = 349,205.86

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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.