Home / 876,798.72-1,315,301.76-277,787.52

Finding the Fourth Proportional to 876,798.72, 1,315,301.76 and 277,787.52

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Solution

The fourth proportional to 876,798.72, 1,315,301.76 and 277,787.52 is: 416,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,798.72 : 1,315,301.76 = 277,787.52 : x
  2. Step 2: Convert to fraction form
    876,798.72/1,315,301.76 = 277,787.52/x
  3. Step 3: Cross multiply
    876,798.72x = 1,315,301.76 × 277,787.52
  4. Step 4: Simplify right side
    876,798.72x = 365,374,413,962.04
  5. Step 5: Solve for x
    x = 365,374,413,962.04/876,798.72
  6. Step 6: Final answer
    x = 416,714.13

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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.