Home / 763,844.88-1,146,467.48-409,259.28

Finding the Fourth Proportional to 763,844.88, 1,146,467.48 and 409,259.28

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Solution

The fourth proportional to 763,844.88, 1,146,467.48 and 409,259.28 is: 614,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,844.88 : 1,146,467.48 = 409,259.28 : x
  2. Step 2: Convert to fraction form
    763,844.88/1,146,467.48 = 409,259.28/x
  3. Step 3: Cross multiply
    763,844.88x = 1,146,467.48 × 409,259.28
  4. Step 4: Simplify right side
    763,844.88x = 469,202,455,408.21
  5. Step 5: Solve for x
    x = 469,202,455,408.21/763,844.88
  6. Step 6: Final answer
    x = 614,264.06

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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.