Home / 558,956.90-771,374.39-304,322.06

Finding the Fourth Proportional to 558,956.90, 771,374.39 and 304,322.06

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Solution

The fourth proportional to 558,956.90, 771,374.39 and 304,322.06 is: 419,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,956.90 : 771,374.39 = 304,322.06 : x
  2. Step 2: Convert to fraction form
    558,956.90/771,374.39 = 304,322.06/x
  3. Step 3: Cross multiply
    558,956.90x = 771,374.39 × 304,322.06
  4. Step 4: Simplify right side
    558,956.90x = 234,746,238,017.56
  5. Step 5: Solve for x
    x = 234,746,238,017.56/558,956.90
  6. Step 6: Final answer
    x = 419,971.99

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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.