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Finding the Fourth Proportional to 569,098.40, 853,647.60 and 285,663.20

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Solution

The fourth proportional to 569,098.40, 853,647.60 and 285,663.20 is: 428,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,098.40 : 853,647.60 = 285,663.20 : x
  2. Step 2: Convert to fraction form
    569,098.40/853,647.60 = 285,663.20/x
  3. Step 3: Cross multiply
    569,098.40x = 853,647.60 × 285,663.20
  4. Step 4: Simplify right side
    569,098.40x = 243,855,705,088.32
  5. Step 5: Solve for x
    x = 243,855,705,088.32/569,098.40
  6. Step 6: Final answer
    x = 428,494.80

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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.