Home / 807,835.10-1,211,783.42-302,342.86

Finding the Fourth Proportional to 807,835.10, 1,211,783.42 and 302,342.86

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Solution

The fourth proportional to 807,835.10, 1,211,783.42 and 302,342.86 is: 453,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,835.10 : 1,211,783.42 = 302,342.86 : x
  2. Step 2: Convert to fraction form
    807,835.10/1,211,783.42 = 302,342.86/x
  3. Step 3: Cross multiply
    807,835.10x = 1,211,783.42 × 302,342.86
  4. Step 4: Simplify right side
    807,835.10x = 366,374,060,362.21
  5. Step 5: Solve for x
    x = 366,374,060,362.21/807,835.10
  6. Step 6: Final answer
    x = 453,525.80

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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.