Home / 870,523.20-1,305,259.92-397,606.32

Finding the Fourth Proportional to 870,523.20, 1,305,259.92 and 397,606.32

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Solution

The fourth proportional to 870,523.20, 1,305,259.92 and 397,606.32 is: 596,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,523.20 : 1,305,259.92 = 397,606.32 : x
  2. Step 2: Convert to fraction form
    870,523.20/1,305,259.92 = 397,606.32/x
  3. Step 3: Cross multiply
    870,523.20x = 1,305,259.92 × 397,606.32
  4. Step 4: Simplify right side
    870,523.20x = 518,979,593,434.69
  5. Step 5: Solve for x
    x = 518,979,593,434.69/870,523.20
  6. Step 6: Final answer
    x = 596,169.74

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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.