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Finding the Fourth Proportional to 485,201.60, 727,802.40 and 332,986.40

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Solution

The fourth proportional to 485,201.60, 727,802.40 and 332,986.40 is: 499,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,201.60 : 727,802.40 = 332,986.40 : x
  2. Step 2: Convert to fraction form
    485,201.60/727,802.40 = 332,986.40/x
  3. Step 3: Cross multiply
    485,201.60x = 727,802.40 × 332,986.40
  4. Step 4: Simplify right side
    485,201.60x = 242,348,301,087.36
  5. Step 5: Solve for x
    x = 242,348,301,087.36/485,201.60
  6. Step 6: Final answer
    x = 499,479.60

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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.