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Finding the Fourth Proportional to 555,673.72, 766,813.86 and 326,227.24

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Solution

The fourth proportional to 555,673.72, 766,813.86 and 326,227.24 is: 450,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,673.72 : 766,813.86 = 326,227.24 : x
  2. Step 2: Convert to fraction form
    555,673.72/766,813.86 = 326,227.24/x
  3. Step 3: Cross multiply
    555,673.72x = 766,813.86 × 326,227.24
  4. Step 4: Simplify right side
    555,673.72x = 250,155,569,141.55
  5. Step 5: Solve for x
    x = 250,155,569,141.55/555,673.72
  6. Step 6: Final answer
    x = 450,184.27

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1.5x scale

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.