Home / 763,505.64-1,143,513.72-364,426.56

Finding the Fourth Proportional to 763,505.64, 1,143,513.72 and 364,426.56

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Solution

The fourth proportional to 763,505.64, 1,143,513.72 and 364,426.56 is: 545,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,505.64 : 1,143,513.72 = 364,426.56 : x
  2. Step 2: Convert to fraction form
    763,505.64/1,143,513.72 = 364,426.56/x
  3. Step 3: Cross multiply
    763,505.64x = 1,143,513.72 × 364,426.56
  4. Step 4: Simplify right side
    763,505.64x = 416,726,771,292.40
  5. Step 5: Solve for x
    x = 416,726,771,292.40/763,505.64
  6. Step 6: Final answer
    x = 545,807.06

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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.