Home / 672,902.39-1,009,773.80-448,420.34

Finding the Fourth Proportional to 672,902.39, 1,009,773.80 and 448,420.34

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Solution

The fourth proportional to 672,902.39, 1,009,773.80 and 448,420.34 is: 672,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,902.39 : 1,009,773.80 = 448,420.34 : x
  2. Step 2: Convert to fraction form
    672,902.39/1,009,773.80 = 448,420.34/x
  3. Step 3: Cross multiply
    672,902.39x = 1,009,773.80 × 448,420.34
  4. Step 4: Simplify right side
    672,902.39x = 452,803,110,719.09
  5. Step 5: Solve for x
    x = 452,803,110,719.09/672,902.39
  6. Step 6: Final answer
    x = 672,910.54

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1.5x scale

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.