Home / 728,433.64-1,092,781.86-222,985.36

Finding the Fourth Proportional to 728,433.64, 1,092,781.86 and 222,985.36

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Solution

The fourth proportional to 728,433.64, 1,092,781.86 and 222,985.36 is: 334,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,433.64 : 1,092,781.86 = 222,985.36 : x
  2. Step 2: Convert to fraction form
    728,433.64/1,092,781.86 = 222,985.36/x
  3. Step 3: Cross multiply
    728,433.64x = 1,092,781.86 × 222,985.36
  4. Step 4: Simplify right side
    728,433.64x = 243,674,356,453.57
  5. Step 5: Solve for x
    x = 243,674,356,453.57/728,433.64
  6. Step 6: Final answer
    x = 334,518.26

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1.5x scale

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.