Home / 787,389.44-1,179,308.48-365,778.08

Finding the Fourth Proportional to 787,389.44, 1,179,308.48 and 365,778.08

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Solution

The fourth proportional to 787,389.44, 1,179,308.48 and 365,778.08 is: 547,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,389.44 : 1,179,308.48 = 365,778.08 : x
  2. Step 2: Convert to fraction form
    787,389.44/1,179,308.48 = 365,778.08/x
  3. Step 3: Cross multiply
    787,389.44x = 1,179,308.48 × 365,778.08
  4. Step 4: Simplify right side
    787,389.44x = 431,365,191,542.12
  5. Step 5: Solve for x
    x = 431,365,191,542.12/787,389.44
  6. Step 6: Final answer
    x = 547,842.24

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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.