Home / 673,716.95-1,010,518.49-218,298.54

Finding the Fourth Proportional to 673,716.95, 1,010,518.49 and 218,298.54

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Solution

The fourth proportional to 673,716.95, 1,010,518.49 and 218,298.54 is: 327,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,716.95 : 1,010,518.49 = 218,298.54 : x
  2. Step 2: Convert to fraction form
    673,716.95/1,010,518.49 = 218,298.54/x
  3. Step 3: Cross multiply
    673,716.95x = 1,010,518.49 × 218,298.54
  4. Step 4: Simplify right side
    673,716.95x = 220,594,709,918.51
  5. Step 5: Solve for x
    x = 220,594,709,918.51/673,716.95
  6. Step 6: Final answer
    x = 327,429.36

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Double scale
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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.