Home / 828,897.08-1,243,345.62-548,348.72

Finding the Fourth Proportional to 828,897.08, 1,243,345.62 and 548,348.72

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Solution

The fourth proportional to 828,897.08, 1,243,345.62 and 548,348.72 is: 822,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,897.08 : 1,243,345.62 = 548,348.72 : x
  2. Step 2: Convert to fraction form
    828,897.08/1,243,345.62 = 548,348.72/x
  3. Step 3: Cross multiply
    828,897.08x = 1,243,345.62 × 548,348.72
  4. Step 4: Simplify right side
    828,897.08x = 681,786,979,244.61
  5. Step 5: Solve for x
    x = 681,786,979,244.61/828,897.08
  6. Step 6: Final answer
    x = 822,523.08

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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.