Home / 558,658.12-770,946.78-304,009.24

Finding the Fourth Proportional to 558,658.12, 770,946.78 and 304,009.24

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Solution

The fourth proportional to 558,658.12, 770,946.78 and 304,009.24 is: 419,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,658.12 : 770,946.78 = 304,009.24 : x
  2. Step 2: Convert to fraction form
    558,658.12/770,946.78 = 304,009.24/x
  3. Step 3: Cross multiply
    558,658.12x = 770,946.78 × 304,009.24
  4. Step 4: Simplify right side
    558,658.12x = 234,374,944,668.25
  5. Step 5: Solve for x
    x = 234,374,944,668.25/558,658.12
  6. Step 6: Final answer
    x = 419,531.98

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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.