Home / 804,788.60-1,205,433.30-488,694.20

Finding the Fourth Proportional to 804,788.60, 1,205,433.30 and 488,694.20

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Solution

The fourth proportional to 804,788.60, 1,205,433.30 and 488,694.20 is: 731,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,788.60 : 1,205,433.30 = 488,694.20 : x
  2. Step 2: Convert to fraction form
    804,788.60/1,205,433.30 = 488,694.20/x
  3. Step 3: Cross multiply
    804,788.60x = 1,205,433.30 × 488,694.20
  4. Step 4: Simplify right side
    804,788.60x = 589,088,262,196.86
  5. Step 5: Solve for x
    x = 589,088,262,196.86/804,788.60
  6. Step 6: Final answer
    x = 731,978.89

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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.