Home / 550,012.03-759,051.68-308,294.66

Finding the Fourth Proportional to 550,012.03, 759,051.68 and 308,294.66

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Solution

The fourth proportional to 550,012.03, 759,051.68 and 308,294.66 is: 425,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,012.03 : 759,051.68 = 308,294.66 : x
  2. Step 2: Convert to fraction form
    550,012.03/759,051.68 = 308,294.66/x
  3. Step 3: Cross multiply
    550,012.03x = 759,051.68 × 308,294.66
  4. Step 4: Simplify right side
    550,012.03x = 234,011,579,964.19
  5. Step 5: Solve for x
    x = 234,011,579,964.19/550,012.03
  6. Step 6: Final answer
    x = 425,466.30

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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.