Home / 875,433.68-1,208,100.62-488,274.19

Finding the Fourth Proportional to 875,433.68, 1,208,100.62 and 488,274.19

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Solution

The fourth proportional to 875,433.68, 1,208,100.62 and 488,274.19 is: 673,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,433.68 : 1,208,100.62 = 488,274.19 : x
  2. Step 2: Convert to fraction form
    875,433.68/1,208,100.62 = 488,274.19/x
  3. Step 3: Cross multiply
    875,433.68x = 1,208,100.62 × 488,274.19
  4. Step 4: Simplify right side
    875,433.68x = 589,884,345,628.50
  5. Step 5: Solve for x
    x = 589,884,345,628.50/875,433.68
  6. Step 6: Final answer
    x = 673,819.57

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1.5x scale

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.