Home / 816,305.57-1,224,547.65-276,951.27

Finding the Fourth Proportional to 816,305.57, 1,224,547.65 and 276,951.27

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Solution

The fourth proportional to 816,305.57, 1,224,547.65 and 276,951.27 is: 415,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,305.57 : 1,224,547.65 = 276,951.27 : x
  2. Step 2: Convert to fraction form
    816,305.57/1,224,547.65 = 276,951.27/x
  3. Step 3: Cross multiply
    816,305.57x = 1,224,547.65 × 276,951.27
  4. Step 4: Simplify right side
    816,305.57x = 339,140,026,843.02
  5. Step 5: Solve for x
    x = 339,140,026,843.02/816,305.57
  6. Step 6: Final answer
    x = 415,457.20

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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.