Home / 558,956.09-771,359.37-304,307.28

Finding the Fourth Proportional to 558,956.09, 771,359.37 and 304,307.28

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Solution

The fourth proportional to 558,956.09, 771,359.37 and 304,307.28 is: 419,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,956.09 : 771,359.37 = 304,307.28 : x
  2. Step 2: Convert to fraction form
    558,956.09/771,359.37 = 304,307.28/x
  3. Step 3: Cross multiply
    558,956.09x = 771,359.37 × 304,307.28
  4. Step 4: Simplify right side
    558,956.09x = 234,730,272,357.79
  5. Step 5: Solve for x
    x = 234,730,272,357.79/558,956.09
  6. Step 6: Final answer
    x = 419,944.03

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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.