Home / 925,739.50-1,388,250.29-318,412.33

Finding the Fourth Proportional to 925,739.50, 1,388,250.29 and 318,412.33

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Solution

The fourth proportional to 925,739.50, 1,388,250.29 and 318,412.33 is: 477,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,739.50 : 1,388,250.29 = 318,412.33 : x
  2. Step 2: Convert to fraction form
    925,739.50/1,388,250.29 = 318,412.33/x
  3. Step 3: Cross multiply
    925,739.50x = 1,388,250.29 × 318,412.33
  4. Step 4: Simplify right side
    925,739.50x = 442,036,009,462.08
  5. Step 5: Solve for x
    x = 442,036,009,462.08/925,739.50
  6. Step 6: Final answer
    x = 477,495.03

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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.