Home / 558,971.60-771,379.75-304,322.18

Finding the Fourth Proportional to 558,971.60, 771,379.75 and 304,322.18

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Solution

The fourth proportional to 558,971.60, 771,379.75 and 304,322.18 is: 419,964.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,971.60 : 771,379.75 = 304,322.18 : x
  2. Step 2: Convert to fraction form
    558,971.60/771,379.75 = 304,322.18/x
  3. Step 3: Cross multiply
    558,971.60x = 771,379.75 × 304,322.18
  4. Step 4: Simplify right side
    558,971.60x = 234,747,967,127.86
  5. Step 5: Solve for x
    x = 234,747,967,127.86/558,971.60
  6. Step 6: Final answer
    x = 419,964.03

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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.