Home / 673,018.77-1,009,309.71-223,618.95

Finding the Fourth Proportional to 673,018.77, 1,009,309.71 and 223,618.95

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Solution

The fourth proportional to 673,018.77, 1,009,309.71 and 223,618.95 is: 335,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,018.77 : 1,009,309.71 = 223,618.95 : x
  2. Step 2: Convert to fraction form
    673,018.77/1,009,309.71 = 223,618.95/x
  3. Step 3: Cross multiply
    673,018.77x = 1,009,309.71 × 223,618.95
  4. Step 4: Simplify right side
    673,018.77x = 225,700,777,575.01
  5. Step 5: Solve for x
    x = 225,700,777,575.01/673,018.77
  6. Step 6: Final answer
    x = 335,355.84

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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.