Home / 781,197.77-1,078,043.22-458,937.24

Finding the Fourth Proportional to 781,197.77, 1,078,043.22 and 458,937.24

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Solution

The fourth proportional to 781,197.77, 1,078,043.22 and 458,937.24 is: 633,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,197.77 : 1,078,043.22 = 458,937.24 : x
  2. Step 2: Convert to fraction form
    781,197.77/1,078,043.22 = 458,937.24/x
  3. Step 3: Cross multiply
    781,197.77x = 1,078,043.22 × 458,937.24
  4. Step 4: Simplify right side
    781,197.77x = 494,754,179,987.51
  5. Step 5: Solve for x
    x = 494,754,179,987.51/781,197.77
  6. Step 6: Final answer
    x = 633,327.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.