Home / 578,974.72-867,178.88-444,867.84

Finding the Fourth Proportional to 578,974.72, 867,178.88 and 444,867.84

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Solution

The fourth proportional to 578,974.72, 867,178.88 and 444,867.84 is: 666,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,974.72 : 867,178.88 = 444,867.84 : x
  2. Step 2: Convert to fraction form
    578,974.72/867,178.88 = 444,867.84/x
  3. Step 3: Cross multiply
    578,974.72x = 867,178.88 × 444,867.84
  4. Step 4: Simplify right side
    578,974.72x = 385,779,995,239.22
  5. Step 5: Solve for x
    x = 385,779,995,239.22/578,974.72
  6. Step 6: Final answer
    x = 666,315.79

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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.