Home / 808,090.87-1,115,165.03-463,949.00

Finding the Fourth Proportional to 808,090.87, 1,115,165.03 and 463,949.00

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Solution

The fourth proportional to 808,090.87, 1,115,165.03 and 463,949.00 is: 640,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,090.87 : 1,115,165.03 = 463,949.00 : x
  2. Step 2: Convert to fraction form
    808,090.87/1,115,165.03 = 463,949.00/x
  3. Step 3: Cross multiply
    808,090.87x = 1,115,165.03 × 463,949.00
  4. Step 4: Simplify right side
    808,090.87x = 517,379,692,607.90
  5. Step 5: Solve for x
    x = 517,379,692,607.90/808,090.87
  6. Step 6: Final answer
    x = 640,249.40

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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.