Home / 763,507.39-1,143,516.34-364,428.31

Finding the Fourth Proportional to 763,507.39, 1,143,516.34 and 364,428.31

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Solution

The fourth proportional to 763,507.39, 1,143,516.34 and 364,428.31 is: 545,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,507.39 : 1,143,516.34 = 364,428.31 : x
  2. Step 2: Convert to fraction form
    763,507.39/1,143,516.34 = 364,428.31/x
  3. Step 3: Cross multiply
    763,507.39x = 1,143,516.34 × 364,428.31
  4. Step 4: Simplify right side
    763,507.39x = 416,729,727,243.59
  5. Step 5: Solve for x
    x = 416,729,727,243.59/763,507.39
  6. Step 6: Final answer
    x = 545,809.68

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1.5x scale

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.