Home / 723,809.64-1,085,008.43-344,628.49

Finding the Fourth Proportional to 723,809.64, 1,085,008.43 and 344,628.49

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Solution

The fourth proportional to 723,809.64, 1,085,008.43 and 344,628.49 is: 516,606.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,809.64 : 1,085,008.43 = 344,628.49 : x
  2. Step 2: Convert to fraction form
    723,809.64/1,085,008.43 = 344,628.49/x
  3. Step 3: Cross multiply
    723,809.64x = 1,085,008.43 × 344,628.49
  4. Step 4: Simplify right side
    723,809.64x = 373,924,816,868.17
  5. Step 5: Solve for x
    x = 373,924,816,868.17/723,809.64
  6. Step 6: Final answer
    x = 516,606.57

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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.