Home / 434,293.60-651,440.40-329,317.60

Finding the Fourth Proportional to 434,293.60, 651,440.40 and 329,317.60

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Solution

The fourth proportional to 434,293.60, 651,440.40 and 329,317.60 is: 493,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,293.60 : 651,440.40 = 329,317.60 : x
  2. Step 2: Convert to fraction form
    434,293.60/651,440.40 = 329,317.60/x
  3. Step 3: Cross multiply
    434,293.60x = 651,440.40 × 329,317.60
  4. Step 4: Simplify right side
    434,293.60x = 214,530,789,071.04
  5. Step 5: Solve for x
    x = 214,530,789,071.04/434,293.60
  6. Step 6: Final answer
    x = 493,976.40

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Similar ratio
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1.5x scale

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.