Home / 672,756.89-1,009,305.82-223,480.11

Finding the Fourth Proportional to 672,756.89, 1,009,305.82 and 223,480.11

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Solution

The fourth proportional to 672,756.89, 1,009,305.82 and 223,480.11 is: 335,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,756.89 : 1,009,305.82 = 223,480.11 : x
  2. Step 2: Convert to fraction form
    672,756.89/1,009,305.82 = 223,480.11/x
  3. Step 3: Cross multiply
    672,756.89x = 1,009,305.82 × 223,480.11
  4. Step 4: Simplify right side
    672,756.89x = 225,559,778,484.41
  5. Step 5: Solve for x
    x = 225,559,778,484.41/672,756.89
  6. Step 6: Final answer
    x = 335,276.80

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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.