Home / 772,001.55-1,158,002.33-211,036.05

Finding the Fourth Proportional to 772,001.55, 1,158,002.33 and 211,036.05

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Solution

The fourth proportional to 772,001.55, 1,158,002.33 and 211,036.05 is: 316,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,001.55 : 1,158,002.33 = 211,036.05 : x
  2. Step 2: Convert to fraction form
    772,001.55/1,158,002.33 = 211,036.05/x
  3. Step 3: Cross multiply
    772,001.55x = 1,158,002.33 × 211,036.05
  4. Step 4: Simplify right side
    772,001.55x = 244,380,236,558.82
  5. Step 5: Solve for x
    x = 244,380,236,558.82/772,001.55
  6. Step 6: Final answer
    x = 316,554.08

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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.