Home / 457,018.24-630,684.77-253,069.15

Finding the Fourth Proportional to 457,018.24, 630,684.77 and 253,069.15

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Solution

The fourth proportional to 457,018.24, 630,684.77 and 253,069.15 is: 349,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,018.24 : 630,684.77 = 253,069.15 : x
  2. Step 2: Convert to fraction form
    457,018.24/630,684.77 = 253,069.15/x
  3. Step 3: Cross multiply
    457,018.24x = 630,684.77 × 253,069.15
  4. Step 4: Simplify right side
    457,018.24x = 159,606,858,425.84
  5. Step 5: Solve for x
    x = 159,606,858,425.84/457,018.24
  6. Step 6: Final answer
    x = 349,235.20

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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.