Home / 778,625.41-1,074,528.83-451,913.92

Finding the Fourth Proportional to 778,625.41, 1,074,528.83 and 451,913.92

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Solution

The fourth proportional to 778,625.41, 1,074,528.83 and 451,913.92 is: 623,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,625.41 : 1,074,528.83 = 451,913.92 : x
  2. Step 2: Convert to fraction form
    778,625.41/1,074,528.83 = 451,913.92/x
  3. Step 3: Cross multiply
    778,625.41x = 1,074,528.83 × 451,913.92
  4. Step 4: Simplify right side
    778,625.41x = 485,594,535,718.31
  5. Step 5: Solve for x
    x = 485,594,535,718.31/778,625.41
  6. Step 6: Final answer
    x = 623,656.16

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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.