Home / 875,352.72-1,207,962.68-488,179.92

Finding the Fourth Proportional to 875,352.72, 1,207,962.68 and 488,179.92

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Solution

The fourth proportional to 875,352.72, 1,207,962.68 and 488,179.92 is: 673,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,352.72 : 1,207,962.68 = 488,179.92 : x
  2. Step 2: Convert to fraction form
    875,352.72/1,207,962.68 = 488,179.92/x
  3. Step 3: Cross multiply
    875,352.72x = 1,207,962.68 × 488,179.92
  4. Step 4: Simplify right side
    875,352.72x = 589,703,124,485.39
  5. Step 5: Solve for x
    x = 589,703,124,485.39/875,352.72
  6. Step 6: Final answer
    x = 673,674.86

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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.