Home / 740,820.96-1,110,468.68-291,359.66

Finding the Fourth Proportional to 740,820.96, 1,110,468.68 and 291,359.66

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Solution

The fourth proportional to 740,820.96, 1,110,468.68 and 291,359.66 is: 436,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,820.96 : 1,110,468.68 = 291,359.66 : x
  2. Step 2: Convert to fraction form
    740,820.96/1,110,468.68 = 291,359.66/x
  3. Step 3: Cross multiply
    740,820.96x = 1,110,468.68 × 291,359.66
  4. Step 4: Simplify right side
    740,820.96x = 323,545,777,045.45
  5. Step 5: Solve for x
    x = 323,545,777,045.45/740,820.96
  6. Step 6: Final answer
    x = 436,739.50

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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.