Home / 558,849.68-771,181.28-304,185.68

Finding the Fourth Proportional to 558,849.68, 771,181.28 and 304,185.68

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Solution

The fourth proportional to 558,849.68, 771,181.28 and 304,185.68 is: 419,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,849.68 : 771,181.28 = 304,185.68 : x
  2. Step 2: Convert to fraction form
    558,849.68/771,181.28 = 304,185.68/x
  3. Step 3: Cross multiply
    558,849.68x = 771,181.28 × 304,185.68
  4. Step 4: Simplify right side
    558,849.68x = 234,582,302,060.07
  5. Step 5: Solve for x
    x = 234,582,302,060.07/558,849.68
  6. Step 6: Final answer
    x = 419,759.21

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1.5x scale

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.