Home / 736,967.15-1,103,679.21-420,464.51

Finding the Fourth Proportional to 736,967.15, 1,103,679.21 and 420,464.51

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Solution

The fourth proportional to 736,967.15, 1,103,679.21 and 420,464.51 is: 629,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,967.15 : 1,103,679.21 = 420,464.51 : x
  2. Step 2: Convert to fraction form
    736,967.15/1,103,679.21 = 420,464.51/x
  3. Step 3: Cross multiply
    736,967.15x = 1,103,679.21 × 420,464.51
  4. Step 4: Simplify right side
    736,967.15x = 464,057,932,711.44
  5. Step 5: Solve for x
    x = 464,057,932,711.44/736,967.15
  6. Step 6: Final answer
    x = 629,686.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.