Home / 728,693.10-1,093,039.65-576,477.90

Finding the Fourth Proportional to 728,693.10, 1,093,039.65 and 576,477.90

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Solution

The fourth proportional to 728,693.10, 1,093,039.65 and 576,477.90 is: 864,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,693.10 : 1,093,039.65 = 576,477.90 : x
  2. Step 2: Convert to fraction form
    728,693.10/1,093,039.65 = 576,477.90/x
  3. Step 3: Cross multiply
    728,693.10x = 1,093,039.65 × 576,477.90
  4. Step 4: Simplify right side
    728,693.10x = 630,113,202,048.74
  5. Step 5: Solve for x
    x = 630,113,202,048.74/728,693.10
  6. Step 6: Final answer
    x = 864,716.85

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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.