Home / 628,288.75-867,042.25-341,810.89

Finding the Fourth Proportional to 628,288.75, 867,042.25 and 341,810.89

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Solution

The fourth proportional to 628,288.75, 867,042.25 and 341,810.89 is: 471,701.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,288.75 : 867,042.25 = 341,810.89 : x
  2. Step 2: Convert to fraction form
    628,288.75/867,042.25 = 341,810.89/x
  3. Step 3: Cross multiply
    628,288.75x = 867,042.25 × 341,810.89
  4. Step 4: Simplify right side
    628,288.75x = 296,364,483,517.87
  5. Step 5: Solve for x
    x = 296,364,483,517.87/628,288.75
  6. Step 6: Final answer
    x = 471,701.08

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1.5x scale

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.