Home / 750,355.24-1,035,588.78-427,991.32

Finding the Fourth Proportional to 750,355.24, 1,035,588.78 and 427,991.32

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Solution

The fourth proportional to 750,355.24, 1,035,588.78 and 427,991.32 is: 590,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,355.24 : 1,035,588.78 = 427,991.32 : x
  2. Step 2: Convert to fraction form
    750,355.24/1,035,588.78 = 427,991.32/x
  3. Step 3: Cross multiply
    750,355.24x = 1,035,588.78 × 427,991.32
  4. Step 4: Simplify right side
    750,355.24x = 443,223,008,929.39
  5. Step 5: Solve for x
    x = 443,223,008,929.39/750,355.24
  6. Step 6: Final answer
    x = 590,684.23

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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.