Home / 925,655.36-1,388,513.60-318,437.60

Finding the Fourth Proportional to 925,655.36, 1,388,513.60 and 318,437.60

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Solution

The fourth proportional to 925,655.36, 1,388,513.60 and 318,437.60 is: 477,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,655.36 : 1,388,513.60 = 318,437.60 : x
  2. Step 2: Convert to fraction form
    925,655.36/1,388,513.60 = 318,437.60/x
  3. Step 3: Cross multiply
    925,655.36x = 1,388,513.60 × 318,437.60
  4. Step 4: Simplify right side
    925,655.36x = 442,154,938,351.36
  5. Step 5: Solve for x
    x = 442,154,938,351.36/925,655.36
  6. Step 6: Final answer
    x = 477,666.91

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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.