Home / 728,642.45-1,093,036.55-223,197.59

Finding the Fourth Proportional to 728,642.45, 1,093,036.55 and 223,197.59

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Solution

The fourth proportional to 728,642.45, 1,093,036.55 and 223,197.59 is: 334,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,642.45 : 1,093,036.55 = 223,197.59 : x
  2. Step 2: Convert to fraction form
    728,642.45/1,093,036.55 = 223,197.59/x
  3. Step 3: Cross multiply
    728,642.45x = 1,093,036.55 × 223,197.59
  4. Step 4: Simplify right side
    728,642.45x = 243,963,117,160.74
  5. Step 5: Solve for x
    x = 243,963,117,160.74/728,642.45
  6. Step 6: Final answer
    x = 334,818.70

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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.