Home / 728,277.42-1,092,547.38-222,828.90

Finding the Fourth Proportional to 728,277.42, 1,092,547.38 and 222,828.90

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Solution

The fourth proportional to 728,277.42, 1,092,547.38 and 222,828.90 is: 334,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,277.42 : 1,092,547.38 = 222,828.90 : x
  2. Step 2: Convert to fraction form
    728,277.42/1,092,547.38 = 222,828.90/x
  3. Step 3: Cross multiply
    728,277.42x = 1,092,547.38 × 222,828.90
  4. Step 4: Simplify right side
    728,277.42x = 243,451,130,883.28
  5. Step 5: Solve for x
    x = 243,451,130,883.28/728,277.42
  6. Step 6: Final answer
    x = 334,283.51

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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.