Home / 763,727.25-1,146,063.95-444,029.56

Finding the Fourth Proportional to 763,727.25, 1,146,063.95 and 444,029.56

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Solution

The fourth proportional to 763,727.25, 1,146,063.95 and 444,029.56 is: 666,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,727.25 : 1,146,063.95 = 444,029.56 : x
  2. Step 2: Convert to fraction form
    763,727.25/1,146,063.95 = 444,029.56/x
  3. Step 3: Cross multiply
    763,727.25x = 1,146,063.95 × 444,029.56
  4. Step 4: Simplify right side
    763,727.25x = 508,886,271,450.36
  5. Step 5: Solve for x
    x = 508,886,271,450.36/763,727.25
  6. Step 6: Final answer
    x = 666,319.38

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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.