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Finding the Fourth Proportional to 839,927.10, 1,259,890.65 and 603,731.10

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Solution

The fourth proportional to 839,927.10, 1,259,890.65 and 603,731.10 is: 905,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,927.10 : 1,259,890.65 = 603,731.10 : x
  2. Step 2: Convert to fraction form
    839,927.10/1,259,890.65 = 603,731.10/x
  3. Step 3: Cross multiply
    839,927.10x = 1,259,890.65 × 603,731.10
  4. Step 4: Simplify right side
    839,927.10x = 760,635,168,004.22
  5. Step 5: Solve for x
    x = 760,635,168,004.22/839,927.10
  6. Step 6: Final answer
    x = 905,596.65

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Similar ratio
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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.