Home / 672,799.60-1,009,782.47-353,177.43

Finding the Fourth Proportional to 672,799.60, 1,009,782.47 and 353,177.43

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Solution

The fourth proportional to 672,799.60, 1,009,782.47 and 353,177.43 is: 530,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,799.60 : 1,009,782.47 = 353,177.43 : x
  2. Step 2: Convert to fraction form
    672,799.60/1,009,782.47 = 353,177.43/x
  3. Step 3: Cross multiply
    672,799.60x = 1,009,782.47 × 353,177.43
  4. Step 4: Simplify right side
    672,799.60x = 356,632,377,613.65
  5. Step 5: Solve for x
    x = 356,632,377,613.65/672,799.60
  6. Step 6: Final answer
    x = 530,072.22

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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.