Home / 765,720.86-1,148,539.37-233,197.29

Finding the Fourth Proportional to 765,720.86, 1,148,539.37 and 233,197.29

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Solution

The fourth proportional to 765,720.86, 1,148,539.37 and 233,197.29 is: 349,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,720.86 : 1,148,539.37 = 233,197.29 : x
  2. Step 2: Convert to fraction form
    765,720.86/1,148,539.37 = 233,197.29/x
  3. Step 3: Cross multiply
    765,720.86x = 1,148,539.37 × 233,197.29
  4. Step 4: Simplify right side
    765,720.86x = 267,836,267,376.32
  5. Step 5: Solve for x
    x = 267,836,267,376.32/765,720.86
  6. Step 6: Final answer
    x = 349,783.17

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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.