Home / 778,579.21-1,074,363.29-451,841.41

Finding the Fourth Proportional to 778,579.21, 1,074,363.29 and 451,841.41

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Solution

The fourth proportional to 778,579.21, 1,074,363.29 and 451,841.41 is: 623,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,579.21 : 1,074,363.29 = 451,841.41 : x
  2. Step 2: Convert to fraction form
    778,579.21/1,074,363.29 = 451,841.41/x
  3. Step 3: Cross multiply
    778,579.21x = 1,074,363.29 × 451,841.41
  4. Step 4: Simplify right side
    778,579.21x = 485,441,818,434.02
  5. Step 5: Solve for x
    x = 485,441,818,434.02/778,579.21
  6. Step 6: Final answer
    x = 623,497.03

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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.