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Finding the Fourth Proportional to 575,877.80, 794,710.82 and 321,228.84

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Solution

The fourth proportional to 575,877.80, 794,710.82 and 321,228.84 is: 443,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,877.80 : 794,710.82 = 321,228.84 : x
  2. Step 2: Convert to fraction form
    575,877.80/794,710.82 = 321,228.84/x
  3. Step 3: Cross multiply
    575,877.80x = 794,710.82 × 321,228.84
  4. Step 4: Simplify right side
    575,877.80x = 255,284,034,844.05
  5. Step 5: Solve for x
    x = 255,284,034,844.05/575,877.80
  6. Step 6: Final answer
    x = 443,295.50

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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.