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Finding the Fourth Proportional to 575,877.30, 794,710.13 and 321,228.34

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Solution

The fourth proportional to 575,877.30, 794,710.13 and 321,228.34 is: 443,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,877.30 : 794,710.13 = 321,228.34 : x
  2. Step 2: Convert to fraction form
    575,877.30/794,710.13 = 321,228.34/x
  3. Step 3: Cross multiply
    575,877.30x = 794,710.13 × 321,228.34
  4. Step 4: Simplify right side
    575,877.30x = 255,283,415,841.08
  5. Step 5: Solve for x
    x = 255,283,415,841.08/575,877.30
  6. Step 6: Final answer
    x = 443,294.81

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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.