Home / 769,783.30-1,062,258.10-425,599.31

Finding the Fourth Proportional to 769,783.30, 1,062,258.10 and 425,599.31

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Solution

The fourth proportional to 769,783.30, 1,062,258.10 and 425,599.31 is: 587,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,783.30 : 1,062,258.10 = 425,599.31 : x
  2. Step 2: Convert to fraction form
    769,783.30/1,062,258.10 = 425,599.31/x
  3. Step 3: Cross multiply
    769,783.30x = 1,062,258.10 × 425,599.31
  4. Step 4: Simplify right side
    769,783.30x = 452,096,315,993.56
  5. Step 5: Solve for x
    x = 452,096,315,993.56/769,783.30
  6. Step 6: Final answer
    x = 587,303.36

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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.