Home / 817,368.48-1,226,151.04-270,279.36

Finding the Fourth Proportional to 817,368.48, 1,226,151.04 and 270,279.36

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Solution

The fourth proportional to 817,368.48, 1,226,151.04 and 270,279.36 is: 405,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,368.48 : 1,226,151.04 = 270,279.36 : x
  2. Step 2: Convert to fraction form
    817,368.48/1,226,151.04 = 270,279.36/x
  3. Step 3: Cross multiply
    817,368.48x = 1,226,151.04 × 270,279.36
  4. Step 4: Simplify right side
    817,368.48x = 331,403,318,354.53
  5. Step 5: Solve for x
    x = 331,403,318,354.53/817,368.48
  6. Step 6: Final answer
    x = 405,451.55

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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.