Home / 845,885.80-1,268,820.06-284,916.52

Finding the Fourth Proportional to 845,885.80, 1,268,820.06 and 284,916.52

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Solution

The fourth proportional to 845,885.80, 1,268,820.06 and 284,916.52 is: 427,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,885.80 : 1,268,820.06 = 284,916.52 : x
  2. Step 2: Convert to fraction form
    845,885.80/1,268,820.06 = 284,916.52/x
  3. Step 3: Cross multiply
    845,885.80x = 1,268,820.06 × 284,916.52
  4. Step 4: Simplify right side
    845,885.80x = 361,507,796,001.39
  5. Step 5: Solve for x
    x = 361,507,796,001.39/845,885.80
  6. Step 6: Final answer
    x = 427,371.87

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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.