Home / 855,403.02-1,180,486.19-468,218.75

Finding the Fourth Proportional to 855,403.02, 1,180,486.19 and 468,218.75

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Solution

The fourth proportional to 855,403.02, 1,180,486.19 and 468,218.75 is: 646,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,403.02 : 1,180,486.19 = 468,218.75 : x
  2. Step 2: Convert to fraction form
    855,403.02/1,180,486.19 = 468,218.75/x
  3. Step 3: Cross multiply
    855,403.02x = 1,180,486.19 × 468,218.75
  4. Step 4: Simplify right side
    855,403.02x = 552,725,770,054.73
  5. Step 5: Solve for x
    x = 552,725,770,054.73/855,403.02
  6. Step 6: Final answer
    x = 646,158.31

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Double scale
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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.