Home / 789,956.98-1,185,058.35-257,354.02

Finding the Fourth Proportional to 789,956.98, 1,185,058.35 and 257,354.02

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Solution

The fourth proportional to 789,956.98, 1,185,058.35 and 257,354.02 is: 386,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,956.98 : 1,185,058.35 = 257,354.02 : x
  2. Step 2: Convert to fraction form
    789,956.98/1,185,058.35 = 257,354.02/x
  3. Step 3: Cross multiply
    789,956.98x = 1,185,058.35 × 257,354.02
  4. Step 4: Simplify right side
    789,956.98x = 304,979,530,307.07
  5. Step 5: Solve for x
    x = 304,979,530,307.07/789,956.98
  6. Step 6: Final answer
    x = 386,071.06

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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.