Home / 765,334.31-1,148,012.51-266,698.31

Finding the Fourth Proportional to 765,334.31, 1,148,012.51 and 266,698.31

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Solution

The fourth proportional to 765,334.31, 1,148,012.51 and 266,698.31 is: 400,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,334.31 : 1,148,012.51 = 266,698.31 : x
  2. Step 2: Convert to fraction form
    765,334.31/1,148,012.51 = 266,698.31/x
  3. Step 3: Cross multiply
    765,334.31x = 1,148,012.51 × 266,698.31
  4. Step 4: Simplify right side
    765,334.31x = 306,172,997,812.40
  5. Step 5: Solve for x
    x = 306,172,997,812.40/765,334.31
  6. Step 6: Final answer
    x = 400,051.31

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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.