Home / 808,374.60-1,212,999.30-359,164.80

Finding the Fourth Proportional to 808,374.60, 1,212,999.30 and 359,164.80

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Solution

The fourth proportional to 808,374.60, 1,212,999.30 and 359,164.80 is: 538,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,374.60 : 1,212,999.30 = 359,164.80 : x
  2. Step 2: Convert to fraction form
    808,374.60/1,212,999.30 = 359,164.80/x
  3. Step 3: Cross multiply
    808,374.60x = 1,212,999.30 × 359,164.80
  4. Step 4: Simplify right side
    808,374.60x = 435,666,650,984.64
  5. Step 5: Solve for x
    x = 435,666,650,984.64/808,374.60
  6. Step 6: Final answer
    x = 538,941.54

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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.