Home / 558,419.22-770,444.64-316,682.82

Finding the Fourth Proportional to 558,419.22, 770,444.64 and 316,682.82

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Solution

The fourth proportional to 558,419.22, 770,444.64 and 316,682.82 is: 436,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,419.22 : 770,444.64 = 316,682.82 : x
  2. Step 2: Convert to fraction form
    558,419.22/770,444.64 = 316,682.82/x
  3. Step 3: Cross multiply
    558,419.22x = 770,444.64 × 316,682.82
  4. Step 4: Simplify right side
    558,419.22x = 243,986,581,249.09
  5. Step 5: Solve for x
    x = 243,986,581,249.09/558,419.22
  6. Step 6: Final answer
    x = 436,923.68

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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.