Home / 672,141.20-1,008,211.80-472,686.80

Finding the Fourth Proportional to 672,141.20, 1,008,211.80 and 472,686.80

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Solution

The fourth proportional to 672,141.20, 1,008,211.80 and 472,686.80 is: 709,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,141.20 : 1,008,211.80 = 472,686.80 : x
  2. Step 2: Convert to fraction form
    672,141.20/1,008,211.80 = 472,686.80/x
  3. Step 3: Cross multiply
    672,141.20x = 1,008,211.80 × 472,686.80
  4. Step 4: Simplify right side
    672,141.20x = 476,568,409,464.24
  5. Step 5: Solve for x
    x = 476,568,409,464.24/672,141.20
  6. Step 6: Final answer
    x = 709,030.20

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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.