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Finding the Fourth Proportional to 575,781.30, 863,782.65 and 220,767.63

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Solution

The fourth proportional to 575,781.30, 863,782.65 and 220,767.63 is: 331,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,781.30 : 863,782.65 = 220,767.63 : x
  2. Step 2: Convert to fraction form
    575,781.30/863,782.65 = 220,767.63/x
  3. Step 3: Cross multiply
    575,781.30x = 863,782.65 × 220,767.63
  4. Step 4: Simplify right side
    575,781.30x = 190,695,248,475.62
  5. Step 5: Solve for x
    x = 190,695,248,475.62/575,781.30
  6. Step 6: Final answer
    x = 331,193.89

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1.5x scale

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.