Home / 778,599.48-1,074,492.92-451,887.80

Finding the Fourth Proportional to 778,599.48, 1,074,492.92 and 451,887.80

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Solution

The fourth proportional to 778,599.48, 1,074,492.92 and 451,887.80 is: 623,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,599.48 : 1,074,492.92 = 451,887.80 : x
  2. Step 2: Convert to fraction form
    778,599.48/1,074,492.92 = 451,887.80/x
  3. Step 3: Cross multiply
    778,599.48x = 1,074,492.92 × 451,887.80
  4. Step 4: Simplify right side
    778,599.48x = 485,550,241,734.38
  5. Step 5: Solve for x
    x = 485,550,241,734.38/778,599.48
  6. Step 6: Final answer
    x = 623,620.04

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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.