Home / 802,220.48-1,203,322.08-328,800.32

Finding the Fourth Proportional to 802,220.48, 1,203,322.08 and 328,800.32

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Solution

The fourth proportional to 802,220.48, 1,203,322.08 and 328,800.32 is: 493,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,220.48 : 1,203,322.08 = 328,800.32 : x
  2. Step 2: Convert to fraction form
    802,220.48/1,203,322.08 = 328,800.32/x
  3. Step 3: Cross multiply
    802,220.48x = 1,203,322.08 × 328,800.32
  4. Step 4: Simplify right side
    802,220.48x = 395,652,684,967.07
  5. Step 5: Solve for x
    x = 395,652,684,967.07/802,220.48
  6. Step 6: Final answer
    x = 493,196.94

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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.