Home / 612,480.28-845,207.04-340,534.12

Finding the Fourth Proportional to 612,480.28, 845,207.04 and 340,534.12

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Solution

The fourth proportional to 612,480.28, 845,207.04 and 340,534.12 is: 469,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,480.28 : 845,207.04 = 340,534.12 : x
  2. Step 2: Convert to fraction form
    612,480.28/845,207.04 = 340,534.12/x
  3. Step 3: Cross multiply
    612,480.28x = 845,207.04 × 340,534.12
  4. Step 4: Simplify right side
    612,480.28x = 287,821,835,584.21
  5. Step 5: Solve for x
    x = 287,821,835,584.21/612,480.28
  6. Step 6: Final answer
    x = 469,928.33

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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.