Home / 833,991.74-1,250,513.64-328,278.62

Finding the Fourth Proportional to 833,991.74, 1,250,513.64 and 328,278.62

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Solution

The fourth proportional to 833,991.74, 1,250,513.64 and 328,278.62 is: 492,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,991.74 : 1,250,513.64 = 328,278.62 : x
  2. Step 2: Convert to fraction form
    833,991.74/1,250,513.64 = 328,278.62/x
  3. Step 3: Cross multiply
    833,991.74x = 1,250,513.64 × 328,278.62
  4. Step 4: Simplify right side
    833,991.74x = 410,516,892,030.38
  5. Step 5: Solve for x
    x = 410,516,892,030.38/833,991.74
  6. Step 6: Final answer
    x = 492,231.36

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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.