Home / 925,633.36-1,389,735-476,675.20

Finding the Fourth Proportional to 925,633.36, 1,389,735 and 476,675.20

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Solution

The fourth proportional to 925,633.36, 1,389,735 and 476,675.20 is: 715,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,633.36 : 1,389,735 = 476,675.20 : x
  2. Step 2: Convert to fraction form
    925,633.36/1,389,735 = 476,675.20/x
  3. Step 3: Cross multiply
    925,633.36x = 1,389,735 × 476,675.20
  4. Step 4: Simplify right side
    925,633.36x = 662,452,209,072
  5. Step 5: Solve for x
    x = 662,452,209,072/925,633.36
  6. Step 6: Final answer
    x = 715,674.52

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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.