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Finding the Fourth Proportional to 620,360.04, 930,031.50 and 220,773.27

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Solution

The fourth proportional to 620,360.04, 930,031.50 and 220,773.27 is: 330,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,360.04 : 930,031.50 = 220,773.27 : x
  2. Step 2: Convert to fraction form
    620,360.04/930,031.50 = 220,773.27/x
  3. Step 3: Cross multiply
    620,360.04x = 930,031.50 × 220,773.27
  4. Step 4: Simplify right side
    620,360.04x = 205,326,090,807.85
  5. Step 5: Solve for x
    x = 205,326,090,807.85/620,360.04
  6. Step 6: Final answer
    x = 330,978.91

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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.