Home / 691,061.70-1,036,645.02-235,511.36

Finding the Fourth Proportional to 691,061.70, 1,036,645.02 and 235,511.36

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Solution

The fourth proportional to 691,061.70, 1,036,645.02 and 235,511.36 is: 353,284.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,061.70 : 1,036,645.02 = 235,511.36 : x
  2. Step 2: Convert to fraction form
    691,061.70/1,036,645.02 = 235,511.36/x
  3. Step 3: Cross multiply
    691,061.70x = 1,036,645.02 × 235,511.36
  4. Step 4: Simplify right side
    691,061.70x = 244,141,678,497.43
  5. Step 5: Solve for x
    x = 244,141,678,497.43/691,061.70
  6. Step 6: Final answer
    x = 353,284.92

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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.