Home / 845,001.66-1,267,504.65-213,915.54

Finding the Fourth Proportional to 845,001.66, 1,267,504.65 and 213,915.54

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Solution

The fourth proportional to 845,001.66, 1,267,504.65 and 213,915.54 is: 320,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,001.66 : 1,267,504.65 = 213,915.54 : x
  2. Step 2: Convert to fraction form
    845,001.66/1,267,504.65 = 213,915.54/x
  3. Step 3: Cross multiply
    845,001.66x = 1,267,504.65 × 213,915.54
  4. Step 4: Simplify right side
    845,001.66x = 271,138,941,657.26
  5. Step 5: Solve for x
    x = 271,138,941,657.26/845,001.66
  6. Step 6: Final answer
    x = 320,873.86

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1.5x scale

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.