Home / 855,616.70-1,180,751.39-468,457.21

Finding the Fourth Proportional to 855,616.70, 1,180,751.39 and 468,457.21

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Solution

The fourth proportional to 855,616.70, 1,180,751.39 and 468,457.21 is: 646,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,616.70 : 1,180,751.39 = 468,457.21 : x
  2. Step 2: Convert to fraction form
    855,616.70/1,180,751.39 = 468,457.21/x
  3. Step 3: Cross multiply
    855,616.70x = 1,180,751.39 × 468,457.21
  4. Step 4: Simplify right side
    855,616.70x = 553,131,501,863.02
  5. Step 5: Solve for x
    x = 553,131,501,863.02/855,616.70
  6. Step 6: Final answer
    x = 646,471.14

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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.