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Finding the Fourth Proportional to 552,648.70, 828,973.05 and 384,687.10

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Solution

The fourth proportional to 552,648.70, 828,973.05 and 384,687.10 is: 577,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,648.70 : 828,973.05 = 384,687.10 : x
  2. Step 2: Convert to fraction form
    552,648.70/828,973.05 = 384,687.10/x
  3. Step 3: Cross multiply
    552,648.70x = 828,973.05 × 384,687.10
  4. Step 4: Simplify right side
    552,648.70x = 318,895,238,582.66
  5. Step 5: Solve for x
    x = 318,895,238,582.66/552,648.70
  6. Step 6: Final answer
    x = 577,030.65

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Double scale
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Similar ratio
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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.