Home / 612,391.12-845,103.03-336,766.75

Finding the Fourth Proportional to 612,391.12, 845,103.03 and 336,766.75

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Solution

The fourth proportional to 612,391.12, 845,103.03 and 336,766.75 is: 464,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,391.12 : 845,103.03 = 336,766.75 : x
  2. Step 2: Convert to fraction form
    612,391.12/845,103.03 = 336,766.75/x
  3. Step 3: Cross multiply
    612,391.12x = 845,103.03 × 336,766.75
  4. Step 4: Simplify right side
    612,391.12x = 284,602,599,820.51
  5. Step 5: Solve for x
    x = 284,602,599,820.51/612,391.12
  6. Step 6: Final answer
    x = 464,739.92

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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.