Home / 876,845.81-1,315,253.13-277,791.40

Finding the Fourth Proportional to 876,845.81, 1,315,253.13 and 277,791.40

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Solution

The fourth proportional to 876,845.81, 1,315,253.13 and 277,791.40 is: 416,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,845.81 : 1,315,253.13 = 277,791.40 : x
  2. Step 2: Convert to fraction form
    876,845.81/1,315,253.13 = 277,791.40/x
  3. Step 3: Cross multiply
    876,845.81x = 1,315,253.13 × 277,791.40
  4. Step 4: Simplify right side
    876,845.81x = 365,366,001,760.82
  5. Step 5: Solve for x
    x = 365,366,001,760.82/876,845.81
  6. Step 6: Final answer
    x = 416,682.16

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1.5x scale

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.