Home / 802,200.60-1,203,009.30-402,708.60

Finding the Fourth Proportional to 802,200.60, 1,203,009.30 and 402,708.60

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Solution

The fourth proportional to 802,200.60, 1,203,009.30 and 402,708.60 is: 603,916.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,200.60 : 1,203,009.30 = 402,708.60 : x
  2. Step 2: Convert to fraction form
    802,200.60/1,203,009.30 = 402,708.60/x
  3. Step 3: Cross multiply
    802,200.60x = 1,203,009.30 × 402,708.60
  4. Step 4: Simplify right side
    802,200.60x = 484,462,190,989.98
  5. Step 5: Solve for x
    x = 484,462,190,989.98/802,200.60
  6. Step 6: Final answer
    x = 603,916.52

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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.