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Finding the Fourth Proportional to 550,012.22, 759,051.93 and 308,294.85

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Solution

The fourth proportional to 550,012.22, 759,051.93 and 308,294.85 is: 425,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,012.22 : 759,051.93 = 308,294.85 : x
  2. Step 2: Convert to fraction form
    550,012.22/759,051.93 = 308,294.85/x
  3. Step 3: Cross multiply
    550,012.22x = 759,051.93 × 308,294.85
  4. Step 4: Simplify right side
    550,012.22x = 234,011,802,057.67
  5. Step 5: Solve for x
    x = 234,011,802,057.67/550,012.22
  6. Step 6: Final answer
    x = 425,466.55

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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.