Home / 457,069.04-630,970.68-304,361.36

Finding the Fourth Proportional to 457,069.04, 630,970.68 and 304,361.36

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Solution

The fourth proportional to 457,069.04, 630,970.68 and 304,361.36 is: 420,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,069.04 : 630,970.68 = 304,361.36 : x
  2. Step 2: Convert to fraction form
    457,069.04/630,970.68 = 304,361.36/x
  3. Step 3: Cross multiply
    457,069.04x = 630,970.68 × 304,361.36
  4. Step 4: Simplify right side
    457,069.04x = 192,043,094,284.93
  5. Step 5: Solve for x
    x = 192,043,094,284.93/457,069.04
  6. Step 6: Final answer
    x = 420,162.11

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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.