Home / 833,815.84-1,250,900.40-321,494.08

Finding the Fourth Proportional to 833,815.84, 1,250,900.40 and 321,494.08

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Solution

The fourth proportional to 833,815.84, 1,250,900.40 and 321,494.08 is: 482,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,815.84 : 1,250,900.40 = 321,494.08 : x
  2. Step 2: Convert to fraction form
    833,815.84/1,250,900.40 = 321,494.08/x
  3. Step 3: Cross multiply
    833,815.84x = 1,250,900.40 × 321,494.08
  4. Step 4: Simplify right side
    833,815.84x = 402,157,073,269.63
  5. Step 5: Solve for x
    x = 402,157,073,269.63/833,815.84
  6. Step 6: Final answer
    x = 482,309.23

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1.5x scale

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.