Home / 828,887.71-1,243,331.56-548,339.35

Finding the Fourth Proportional to 828,887.71, 1,243,331.56 and 548,339.35

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Solution

The fourth proportional to 828,887.71, 1,243,331.56 and 548,339.35 is: 822,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,887.71 : 1,243,331.56 = 548,339.35 : x
  2. Step 2: Convert to fraction form
    828,887.71/1,243,331.56 = 548,339.35/x
  3. Step 3: Cross multiply
    828,887.71x = 1,243,331.56 × 548,339.35
  4. Step 4: Simplify right side
    828,887.71x = 681,767,611,857.38
  5. Step 5: Solve for x
    x = 681,767,611,857.38/828,887.71
  6. Step 6: Final answer
    x = 822,509.02

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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.