Home / 870,976.96-1,202,007.30-483,836.56

Finding the Fourth Proportional to 870,976.96, 1,202,007.30 and 483,836.56

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Solution

The fourth proportional to 870,976.96, 1,202,007.30 and 483,836.56 is: 667,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,976.96 : 1,202,007.30 = 483,836.56 : x
  2. Step 2: Convert to fraction form
    870,976.96/1,202,007.30 = 483,836.56/x
  3. Step 3: Cross multiply
    870,976.96x = 1,202,007.30 × 483,836.56
  4. Step 4: Simplify right side
    870,976.96x = 581,575,077,126.89
  5. Step 5: Solve for x
    x = 581,575,077,126.89/870,976.96
  6. Step 6: Final answer
    x = 667,727.28

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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.