Home / 873,784.81-1,310,875.77-266,627.43

Finding the Fourth Proportional to 873,784.81, 1,310,875.77 and 266,627.43

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Solution

The fourth proportional to 873,784.81, 1,310,875.77 and 266,627.43 is: 400,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,784.81 : 1,310,875.77 = 266,627.43 : x
  2. Step 2: Convert to fraction form
    873,784.81/1,310,875.77 = 266,627.43/x
  3. Step 3: Cross multiply
    873,784.81x = 1,310,875.77 × 266,627.43
  4. Step 4: Simplify right side
    873,784.81x = 349,515,440,791.28
  5. Step 5: Solve for x
    x = 349,515,440,791.28/873,784.81
  6. Step 6: Final answer
    x = 400,001.74

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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.