Home / 728,559.61-1,092,177.83-254,986.63

Finding the Fourth Proportional to 728,559.61, 1,092,177.83 and 254,986.63

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Solution

The fourth proportional to 728,559.61, 1,092,177.83 and 254,986.63 is: 382,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,559.61 : 1,092,177.83 = 254,986.63 : x
  2. Step 2: Convert to fraction form
    728,559.61/1,092,177.83 = 254,986.63/x
  3. Step 3: Cross multiply
    728,559.61x = 1,092,177.83 × 254,986.63
  4. Step 4: Simplify right side
    728,559.61x = 278,490,742,139.44
  5. Step 5: Solve for x
    x = 278,490,742,139.44/728,559.61
  6. Step 6: Final answer
    x = 382,248.40

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1.5x scale

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.