Home / 558,733.47-771,133.44-313,745.73

Finding the Fourth Proportional to 558,733.47, 771,133.44 and 313,745.73

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Solution

The fourth proportional to 558,733.47, 771,133.44 and 313,745.73 is: 433,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,733.47 : 771,133.44 = 313,745.73 : x
  2. Step 2: Convert to fraction form
    558,733.47/771,133.44 = 313,745.73/x
  3. Step 3: Cross multiply
    558,733.47x = 771,133.44 × 313,745.73
  4. Step 4: Simplify right side
    558,733.47x = 241,939,824,060.21
  5. Step 5: Solve for x
    x = 241,939,824,060.21/558,733.47
  6. Step 6: Final answer
    x = 433,014.73

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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.