Home / 781,164.91-1,171,739.01-592,782.20

Finding the Fourth Proportional to 781,164.91, 1,171,739.01 and 592,782.20

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Solution

The fourth proportional to 781,164.91, 1,171,739.01 and 592,782.20 is: 889,166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,164.91 : 1,171,739.01 = 592,782.20 : x
  2. Step 2: Convert to fraction form
    781,164.91/1,171,739.01 = 592,782.20/x
  3. Step 3: Cross multiply
    781,164.91x = 1,171,739.01 × 592,782.20
  4. Step 4: Simplify right side
    781,164.91x = 694,586,028,931.88
  5. Step 5: Solve for x
    x = 694,586,028,931.88/781,164.91
  6. Step 6: Final answer
    x = 889,166.96

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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.