Home / 925,485.65-1,388,259.19-318,267.97

Finding the Fourth Proportional to 925,485.65, 1,388,259.19 and 318,267.97

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Solution

The fourth proportional to 925,485.65, 1,388,259.19 and 318,267.97 is: 477,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,485.65 : 1,388,259.19 = 318,267.97 : x
  2. Step 2: Convert to fraction form
    925,485.65/1,388,259.19 = 318,267.97/x
  3. Step 3: Cross multiply
    925,485.65x = 1,388,259.19 × 318,267.97
  4. Step 4: Simplify right side
    925,485.65x = 441,838,429,372.07
  5. Step 5: Solve for x
    x = 441,838,429,372.07/925,485.65
  6. Step 6: Final answer
    x = 477,412.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.