Home / 875,743.80-1,313,615.70-576,562.20

Finding the Fourth Proportional to 875,743.80, 1,313,615.70 and 576,562.20

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Solution

The fourth proportional to 875,743.80, 1,313,615.70 and 576,562.20 is: 864,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,743.80 : 1,313,615.70 = 576,562.20 : x
  2. Step 2: Convert to fraction form
    875,743.80/1,313,615.70 = 576,562.20/x
  3. Step 3: Cross multiply
    875,743.80x = 1,313,615.70 × 576,562.20
  4. Step 4: Simplify right side
    875,743.80x = 757,381,157,946.54
  5. Step 5: Solve for x
    x = 757,381,157,946.54/875,743.80
  6. Step 6: Final answer
    x = 864,843.30

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1.5x scale

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.