Home / 797,557.12-1,196,688.24-418,387.36

Finding the Fourth Proportional to 797,557.12, 1,196,688.24 and 418,387.36

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Solution

The fourth proportional to 797,557.12, 1,196,688.24 and 418,387.36 is: 627,765.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,557.12 : 1,196,688.24 = 418,387.36 : x
  2. Step 2: Convert to fraction form
    797,557.12/1,196,688.24 = 418,387.36/x
  3. Step 3: Cross multiply
    797,557.12x = 1,196,688.24 × 418,387.36
  4. Step 4: Simplify right side
    797,557.12x = 500,679,233,476.65
  5. Step 5: Solve for x
    x = 500,679,233,476.65/797,557.12
  6. Step 6: Final answer
    x = 627,765.99

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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.