Home / 855,612.94-1,180,746.21-468,453.46

Finding the Fourth Proportional to 855,612.94, 1,180,746.21 and 468,453.46

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Solution

The fourth proportional to 855,612.94, 1,180,746.21 and 468,453.46 is: 646,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,612.94 : 1,180,746.21 = 468,453.46 : x
  2. Step 2: Convert to fraction form
    855,612.94/1,180,746.21 = 468,453.46/x
  3. Step 3: Cross multiply
    855,612.94x = 1,180,746.21 × 468,453.46
  4. Step 4: Simplify right side
    855,612.94x = 553,124,647,456.39
  5. Step 5: Solve for x
    x = 553,124,647,456.39/855,612.94
  6. Step 6: Final answer
    x = 646,465.97

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1.5x scale

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.