Home / 457,242.18-630,985.95-253,292.48

Finding the Fourth Proportional to 457,242.18, 630,985.95 and 253,292.48

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Solution

The fourth proportional to 457,242.18, 630,985.95 and 253,292.48 is: 349,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,242.18 : 630,985.95 = 253,292.48 : x
  2. Step 2: Convert to fraction form
    457,242.18/630,985.95 = 253,292.48/x
  3. Step 3: Cross multiply
    457,242.18x = 630,985.95 × 253,292.48
  4. Step 4: Simplify right side
    457,242.18x = 159,823,992,965.73
  5. Step 5: Solve for x
    x = 159,823,992,965.73/457,242.18
  6. Step 6: Final answer
    x = 349,539.04

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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.