Home / 628,284.78-867,043.35-341,805.06

Finding the Fourth Proportional to 628,284.78, 867,043.35 and 341,805.06

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Solution

The fourth proportional to 628,284.78, 867,043.35 and 341,805.06 is: 471,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,284.78 : 867,043.35 = 341,805.06 : x
  2. Step 2: Convert to fraction form
    628,284.78/867,043.35 = 341,805.06/x
  3. Step 3: Cross multiply
    628,284.78x = 867,043.35 × 341,805.06
  4. Step 4: Simplify right side
    628,284.78x = 296,359,804,269.35
  5. Step 5: Solve for x
    x = 296,359,804,269.35/628,284.78
  6. Step 6: Final answer
    x = 471,696.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.