Home / 788,551.60-1,182,481.80-315,079.60

Finding the Fourth Proportional to 788,551.60, 1,182,481.80 and 315,079.60

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Solution

The fourth proportional to 788,551.60, 1,182,481.80 and 315,079.60 is: 472,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,551.60 : 1,182,481.80 = 315,079.60 : x
  2. Step 2: Convert to fraction form
    788,551.60/1,182,481.80 = 315,079.60/x
  3. Step 3: Cross multiply
    788,551.60x = 1,182,481.80 × 315,079.60
  4. Step 4: Simplify right side
    788,551.60x = 372,575,892,551.28
  5. Step 5: Solve for x
    x = 372,575,892,551.28/788,551.60
  6. Step 6: Final answer
    x = 472,481.31

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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.