Home / 612,559.11-918,839.75-238,582.11

Finding the Fourth Proportional to 612,559.11, 918,839.75 and 238,582.11

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Solution

The fourth proportional to 612,559.11, 918,839.75 and 238,582.11 is: 357,873.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,559.11 : 918,839.75 = 238,582.11 : x
  2. Step 2: Convert to fraction form
    612,559.11/918,839.75 = 238,582.11/x
  3. Step 3: Cross multiply
    612,559.11x = 918,839.75 × 238,582.11
  4. Step 4: Simplify right side
    612,559.11x = 219,218,725,113.96
  5. Step 5: Solve for x
    x = 219,218,725,113.96/612,559.11
  6. Step 6: Final answer
    x = 357,873.59

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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.