Home / 788,499.10-1,181,387.85-366,910.30

Finding the Fourth Proportional to 788,499.10, 1,181,387.85 and 366,910.30

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Solution

The fourth proportional to 788,499.10, 1,181,387.85 and 366,910.30 is: 549,732.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,499.10 : 1,181,387.85 = 366,910.30 : x
  2. Step 2: Convert to fraction form
    788,499.10/1,181,387.85 = 366,910.30/x
  3. Step 3: Cross multiply
    788,499.10x = 1,181,387.85 × 366,910.30
  4. Step 4: Simplify right side
    788,499.10x = 433,463,370,459.86
  5. Step 5: Solve for x
    x = 433,463,370,459.86/788,499.10
  6. Step 6: Final answer
    x = 549,732.23

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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.