Home / 802,001.20-1,203,325.80-352,807.60

Finding the Fourth Proportional to 802,001.20, 1,203,325.80 and 352,807.60

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Solution

The fourth proportional to 802,001.20, 1,203,325.80 and 352,807.60 is: 529,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,001.20 : 1,203,325.80 = 352,807.60 : x
  2. Step 2: Convert to fraction form
    802,001.20/1,203,325.80 = 352,807.60/x
  3. Step 3: Cross multiply
    802,001.20x = 1,203,325.80 × 352,807.60
  4. Step 4: Simplify right side
    802,001.20x = 424,542,487,516.08
  5. Step 5: Solve for x
    x = 424,542,487,516.08/802,001.20
  6. Step 6: Final answer
    x = 529,353.93

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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.