Home / 925,488.77-1,388,263.88-318,271.09

Finding the Fourth Proportional to 925,488.77, 1,388,263.88 and 318,271.09

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Solution

The fourth proportional to 925,488.77, 1,388,263.88 and 318,271.09 is: 477,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,488.77 : 1,388,263.88 = 318,271.09 : x
  2. Step 2: Convert to fraction form
    925,488.77/1,388,263.88 = 318,271.09/x
  3. Step 3: Cross multiply
    925,488.77x = 1,388,263.88 × 318,271.09
  4. Step 4: Simplify right side
    925,488.77x = 441,844,258,295.23
  5. Step 5: Solve for x
    x = 441,844,258,295.23/925,488.77
  6. Step 6: Final answer
    x = 477,417.20

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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.