Home / 554,273.62-764,923.75-312,551.00

Finding the Fourth Proportional to 554,273.62, 764,923.75 and 312,551.00

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Solution

The fourth proportional to 554,273.62, 764,923.75 and 312,551.00 is: 431,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,273.62 : 764,923.75 = 312,551.00 : x
  2. Step 2: Convert to fraction form
    554,273.62/764,923.75 = 312,551.00/x
  3. Step 3: Cross multiply
    554,273.62x = 764,923.75 × 312,551.00
  4. Step 4: Simplify right side
    554,273.62x = 239,077,687,309.51
  5. Step 5: Solve for x
    x = 239,077,687,309.51/554,273.62
  6. Step 6: Final answer
    x = 431,335.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.