Home / 549,965.70-758,940.03-320,508.36

Finding the Fourth Proportional to 549,965.70, 758,940.03 and 320,508.36

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Solution

The fourth proportional to 549,965.70, 758,940.03 and 320,508.36 is: 442,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,965.70 : 758,940.03 = 320,508.36 : x
  2. Step 2: Convert to fraction form
    549,965.70/758,940.03 = 320,508.36/x
  3. Step 3: Cross multiply
    549,965.70x = 758,940.03 × 320,508.36
  4. Step 4: Simplify right side
    549,965.70x = 243,246,624,353.65
  5. Step 5: Solve for x
    x = 243,246,624,353.65/549,965.70
  6. Step 6: Final answer
    x = 442,294.17

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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.