Home / 763,766.36-1,054,016.15-419,624.58

Finding the Fourth Proportional to 763,766.36, 1,054,016.15 and 419,624.58

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Solution

The fourth proportional to 763,766.36, 1,054,016.15 and 419,624.58 is: 579,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,766.36 : 1,054,016.15 = 419,624.58 : x
  2. Step 2: Convert to fraction form
    763,766.36/1,054,016.15 = 419,624.58/x
  3. Step 3: Cross multiply
    763,766.36x = 1,054,016.15 × 419,624.58
  4. Step 4: Simplify right side
    763,766.36x = 442,291,082,158.84
  5. Step 5: Solve for x
    x = 442,291,082,158.84/763,766.36
  6. Step 6: Final answer
    x = 579,092.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.