Home / 761,970.62-1,051,566.60-422,438.88

Finding the Fourth Proportional to 761,970.62, 1,051,566.60 and 422,438.88

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Solution

The fourth proportional to 761,970.62, 1,051,566.60 and 422,438.88 is: 582,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,970.62 : 1,051,566.60 = 422,438.88 : x
  2. Step 2: Convert to fraction form
    761,970.62/1,051,566.60 = 422,438.88/x
  3. Step 3: Cross multiply
    761,970.62x = 1,051,566.60 × 422,438.88
  4. Step 4: Simplify right side
    761,970.62x = 444,222,616,749.41
  5. Step 5: Solve for x
    x = 444,222,616,749.41/761,970.62
  6. Step 6: Final answer
    x = 582,991.79

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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.