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Finding the Fourth Proportional to 486,529.60, 729,794.40 and 249,721.24

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Solution

The fourth proportional to 486,529.60, 729,794.40 and 249,721.24 is: 374,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,529.60 : 729,794.40 = 249,721.24 : x
  2. Step 2: Convert to fraction form
    486,529.60/729,794.40 = 249,721.24/x
  3. Step 3: Cross multiply
    486,529.60x = 729,794.40 × 249,721.24
  4. Step 4: Simplify right side
    486,529.60x = 182,245,162,513.06
  5. Step 5: Solve for x
    x = 182,245,162,513.06/486,529.60
  6. Step 6: Final answer
    x = 374,581.86

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Similar ratio
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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.