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Finding the Fourth Proportional to 576,056.80, 794,941.86 and 321,402.52

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Solution

The fourth proportional to 576,056.80, 794,941.86 and 321,402.52 is: 443,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,056.80 : 794,941.86 = 321,402.52 : x
  2. Step 2: Convert to fraction form
    576,056.80/794,941.86 = 321,402.52/x
  3. Step 3: Cross multiply
    576,056.80x = 794,941.86 × 321,402.52
  4. Step 4: Simplify right side
    576,056.80x = 255,496,317,057.49
  5. Step 5: Solve for x
    x = 255,496,317,057.49/576,056.80
  6. Step 6: Final answer
    x = 443,526.26

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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.