Home / 761,926.28-1,051,505.50-422,394.53

Finding the Fourth Proportional to 761,926.28, 1,051,505.50 and 422,394.53

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Solution

The fourth proportional to 761,926.28, 1,051,505.50 and 422,394.53 is: 582,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,926.28 : 1,051,505.50 = 422,394.53 : x
  2. Step 2: Convert to fraction form
    761,926.28/1,051,505.50 = 422,394.53/x
  3. Step 3: Cross multiply
    761,926.28x = 1,051,505.50 × 422,394.53
  4. Step 4: Simplify right side
    761,926.28x = 444,150,165,151.40
  5. Step 5: Solve for x
    x = 444,150,165,151.40/761,926.28
  6. Step 6: Final answer
    x = 582,930.63

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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.