Home / 769,427.99-1,061,865.60-425,256.51

Finding the Fourth Proportional to 769,427.99, 1,061,865.60 and 425,256.51

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Solution

The fourth proportional to 769,427.99, 1,061,865.60 and 425,256.51 is: 586,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,427.99 : 1,061,865.60 = 425,256.51 : x
  2. Step 2: Convert to fraction form
    769,427.99/1,061,865.60 = 425,256.51/x
  3. Step 3: Cross multiply
    769,427.99x = 1,061,865.60 × 425,256.51
  4. Step 4: Simplify right side
    769,427.99x = 451,565,263,924.41
  5. Step 5: Solve for x
    x = 451,565,263,924.41/769,427.99
  6. Step 6: Final answer
    x = 586,884.37

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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.