Home / 897,047.98-1,345,571.97-615,712.30

Finding the Fourth Proportional to 897,047.98, 1,345,571.97 and 615,712.30

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Solution

The fourth proportional to 897,047.98, 1,345,571.97 and 615,712.30 is: 923,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,047.98 : 1,345,571.97 = 615,712.30 : x
  2. Step 2: Convert to fraction form
    897,047.98/1,345,571.97 = 615,712.30/x
  3. Step 3: Cross multiply
    897,047.98x = 1,345,571.97 × 615,712.30
  4. Step 4: Simplify right side
    897,047.98x = 828,485,212,464.23
  5. Step 5: Solve for x
    x = 828,485,212,464.23/897,047.98
  6. Step 6: Final answer
    x = 923,568.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.