Home / 722,438.64-1,083,709.89-249,117.17

Finding the Fourth Proportional to 722,438.64, 1,083,709.89 and 249,117.17

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Solution

The fourth proportional to 722,438.64, 1,083,709.89 and 249,117.17 is: 373,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,438.64 : 1,083,709.89 = 249,117.17 : x
  2. Step 2: Convert to fraction form
    722,438.64/1,083,709.89 = 249,117.17/x
  3. Step 3: Cross multiply
    722,438.64x = 1,083,709.89 × 249,117.17
  4. Step 4: Simplify right side
    722,438.64x = 269,970,735,479.26
  5. Step 5: Solve for x
    x = 269,970,735,479.26/722,438.64
  6. Step 6: Final answer
    x = 373,693.65

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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.