Home / 840,049.87-1,159,266.63-458,076.64

Finding the Fourth Proportional to 840,049.87, 1,159,266.63 and 458,076.64

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Solution

The fourth proportional to 840,049.87, 1,159,266.63 and 458,076.64 is: 632,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,049.87 : 1,159,266.63 = 458,076.64 : x
  2. Step 2: Convert to fraction form
    840,049.87/1,159,266.63 = 458,076.64/x
  3. Step 3: Cross multiply
    840,049.87x = 1,159,266.63 × 458,076.64
  4. Step 4: Simplify right side
    840,049.87x = 531,032,962,734.52
  5. Step 5: Solve for x
    x = 531,032,962,734.52/840,049.87
  6. Step 6: Final answer
    x = 632,144.57

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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.