Home / 761,968.67-1,051,518.24-422,436.92

Finding the Fourth Proportional to 761,968.67, 1,051,518.24 and 422,436.92

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Solution

The fourth proportional to 761,968.67, 1,051,518.24 and 422,436.92 is: 582,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,968.67 : 1,051,518.24 = 422,436.92 : x
  2. Step 2: Convert to fraction form
    761,968.67/1,051,518.24 = 422,436.92/x
  3. Step 3: Cross multiply
    761,968.67x = 1,051,518.24 × 422,436.92
  4. Step 4: Simplify right side
    761,968.67x = 444,200,126,629.42
  5. Step 5: Solve for x
    x = 444,200,126,629.42/761,968.67
  6. Step 6: Final answer
    x = 582,963.77

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Double scale
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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.