Home / 744,412.61-1,027,289.97-417,680.63

Finding the Fourth Proportional to 744,412.61, 1,027,289.97 and 417,680.63

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Solution

The fourth proportional to 744,412.61, 1,027,289.97 and 417,680.63 is: 576,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,412.61 : 1,027,289.97 = 417,680.63 : x
  2. Step 2: Convert to fraction form
    744,412.61/1,027,289.97 = 417,680.63/x
  3. Step 3: Cross multiply
    744,412.61x = 1,027,289.97 × 417,680.63
  4. Step 4: Simplify right side
    744,412.61x = 429,079,116,725.83
  5. Step 5: Solve for x
    x = 429,079,116,725.83/744,412.61
  6. Step 6: Final answer
    x = 576,399.58

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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.