Home / 718,177.79-1,076,935.48-212,557.97

Finding the Fourth Proportional to 718,177.79, 1,076,935.48 and 212,557.97

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Solution

The fourth proportional to 718,177.79, 1,076,935.48 and 212,557.97 is: 318,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,177.79 : 1,076,935.48 = 212,557.97 : x
  2. Step 2: Convert to fraction form
    718,177.79/1,076,935.48 = 212,557.97/x
  3. Step 3: Cross multiply
    718,177.79x = 1,076,935.48 × 212,557.97
  4. Step 4: Simplify right side
    718,177.79x = 228,911,219,449.78
  5. Step 5: Solve for x
    x = 228,911,219,449.78/718,177.79
  6. Step 6: Final answer
    x = 318,738.93

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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.