Home / 740,234.72-1,110,690.11-402,769.28

Finding the Fourth Proportional to 740,234.72, 1,110,690.11 and 402,769.28

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Solution

The fourth proportional to 740,234.72, 1,110,690.11 and 402,769.28 is: 604,337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,234.72 : 1,110,690.11 = 402,769.28 : x
  2. Step 2: Convert to fraction form
    740,234.72/1,110,690.11 = 402,769.28/x
  3. Step 3: Cross multiply
    740,234.72x = 1,110,690.11 × 402,769.28
  4. Step 4: Simplify right side
    740,234.72x = 447,351,851,361.29
  5. Step 5: Solve for x
    x = 447,351,851,361.29/740,234.72
  6. Step 6: Final answer
    x = 604,337.84

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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.