Home / 490,513.74-676,848.23-283,817.66

Finding the Fourth Proportional to 490,513.74, 676,848.23 and 283,817.66

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Solution

The fourth proportional to 490,513.74, 676,848.23 and 283,817.66 is: 391,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,513.74 : 676,848.23 = 283,817.66 : x
  2. Step 2: Convert to fraction form
    490,513.74/676,848.23 = 283,817.66/x
  3. Step 3: Cross multiply
    490,513.74x = 676,848.23 × 283,817.66
  4. Step 4: Simplify right side
    490,513.74x = 192,101,480,813.74
  5. Step 5: Solve for x
    x = 192,101,480,813.74/490,513.74
  6. Step 6: Final answer
    x = 391,633.23

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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.