Home / 687,450.52-1,030,929.72-238,050.73

Finding the Fourth Proportional to 687,450.52, 1,030,929.72 and 238,050.73

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Solution

The fourth proportional to 687,450.52, 1,030,929.72 and 238,050.73 is: 356,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,450.52 : 1,030,929.72 = 238,050.73 : x
  2. Step 2: Convert to fraction form
    687,450.52/1,030,929.72 = 238,050.73/x
  3. Step 3: Cross multiply
    687,450.52x = 1,030,929.72 × 238,050.73
  4. Step 4: Simplify right side
    687,450.52x = 245,413,572,424.70
  5. Step 5: Solve for x
    x = 245,413,572,424.70/687,450.52
  6. Step 6: Final answer
    x = 356,990.89

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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.