Home / 845,427.04-1,268,143.12-205,730.88

Finding the Fourth Proportional to 845,427.04, 1,268,143.12 and 205,730.88

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Solution

The fourth proportional to 845,427.04, 1,268,143.12 and 205,730.88 is: 308,596.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,427.04 : 1,268,143.12 = 205,730.88 : x
  2. Step 2: Convert to fraction form
    845,427.04/1,268,143.12 = 205,730.88/x
  3. Step 3: Cross multiply
    845,427.04x = 1,268,143.12 × 205,730.88
  4. Step 4: Simplify right side
    845,427.04x = 260,896,194,387.94
  5. Step 5: Solve for x
    x = 260,896,194,387.94/845,427.04
  6. Step 6: Final answer
    x = 308,596.94

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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.