Home / 853,203.20-1,279,459.20-291,948.80

Finding the Fourth Proportional to 853,203.20, 1,279,459.20 and 291,948.80

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Solution

The fourth proportional to 853,203.20, 1,279,459.20 and 291,948.80 is: 437,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,203.20 : 1,279,459.20 = 291,948.80 : x
  2. Step 2: Convert to fraction form
    853,203.20/1,279,459.20 = 291,948.80/x
  3. Step 3: Cross multiply
    853,203.20x = 1,279,459.20 × 291,948.80
  4. Step 4: Simplify right side
    853,203.20x = 373,536,578,088.96
  5. Step 5: Solve for x
    x = 373,536,578,088.96/853,203.20
  6. Step 6: Final answer
    x = 437,804.94

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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.