Home / 324,824.80-487,237.20-306,802.40

Finding the Fourth Proportional to 324,824.80, 487,237.20 and 306,802.40

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Solution

The fourth proportional to 324,824.80, 487,237.20 and 306,802.40 is: 460,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,824.80 : 487,237.20 = 306,802.40 : x
  2. Step 2: Convert to fraction form
    324,824.80/487,237.20 = 306,802.40/x
  3. Step 3: Cross multiply
    324,824.80x = 487,237.20 × 306,802.40
  4. Step 4: Simplify right side
    324,824.80x = 149,485,542,329.28
  5. Step 5: Solve for x
    x = 149,485,542,329.28/324,824.80
  6. Step 6: Final answer
    x = 460,203.60

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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.