Home / 811,085.40-1,217,319.30-362,496.60

Finding the Fourth Proportional to 811,085.40, 1,217,319.30 and 362,496.60

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Solution

The fourth proportional to 811,085.40, 1,217,319.30 and 362,496.60 is: 544,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,085.40 : 1,217,319.30 = 362,496.60 : x
  2. Step 2: Convert to fraction form
    811,085.40/1,217,319.30 = 362,496.60/x
  3. Step 3: Cross multiply
    811,085.40x = 1,217,319.30 × 362,496.60
  4. Step 4: Simplify right side
    811,085.40x = 441,274,107,364.38
  5. Step 5: Solve for x
    x = 441,274,107,364.38/811,085.40
  6. Step 6: Final answer
    x = 544,053.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.