Home / 876,400.94-1,314,746.70-307,634.46

Finding the Fourth Proportional to 876,400.94, 1,314,746.70 and 307,634.46

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Solution

The fourth proportional to 876,400.94, 1,314,746.70 and 307,634.46 is: 461,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,400.94 : 1,314,746.70 = 307,634.46 : x
  2. Step 2: Convert to fraction form
    876,400.94/1,314,746.70 = 307,634.46/x
  3. Step 3: Cross multiply
    876,400.94x = 1,314,746.70 × 307,634.46
  4. Step 4: Simplify right side
    876,400.94x = 404,461,391,091.28
  5. Step 5: Solve for x
    x = 404,461,391,091.28/876,400.94
  6. Step 6: Final answer
    x = 461,502.69

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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.