Home / 558,788.67-771,130.26-304,139.25

Finding the Fourth Proportional to 558,788.67, 771,130.26 and 304,139.25

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Solution

The fourth proportional to 558,788.67, 771,130.26 and 304,139.25 is: 419,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,788.67 : 771,130.26 = 304,139.25 : x
  2. Step 2: Convert to fraction form
    558,788.67/771,130.26 = 304,139.25/x
  3. Step 3: Cross multiply
    558,788.67x = 771,130.26 × 304,139.25
  4. Step 4: Simplify right side
    558,788.67x = 234,530,978,928.71
  5. Step 5: Solve for x
    x = 234,530,978,928.71/558,788.67
  6. Step 6: Final answer
    x = 419,713.20

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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.