Home / 765,505.31-1,146,945.76-540,463.01

Finding the Fourth Proportional to 765,505.31, 1,146,945.76 and 540,463.01

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Solution

The fourth proportional to 765,505.31, 1,146,945.76 and 540,463.01 is: 809,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,505.31 : 1,146,945.76 = 540,463.01 : x
  2. Step 2: Convert to fraction form
    765,505.31/1,146,945.76 = 540,463.01/x
  3. Step 3: Cross multiply
    765,505.31x = 1,146,945.76 × 540,463.01
  4. Step 4: Simplify right side
    765,505.31x = 619,881,750,670.45
  5. Step 5: Solve for x
    x = 619,881,750,670.45/765,505.31
  6. Step 6: Final answer
    x = 809,768.07

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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.