Home / 807,928.17-1,211,922.90-302,435.93

Finding the Fourth Proportional to 807,928.17, 1,211,922.90 and 302,435.93

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Solution

The fourth proportional to 807,928.17, 1,211,922.90 and 302,435.93 is: 453,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,928.17 : 1,211,922.90 = 302,435.93 : x
  2. Step 2: Convert to fraction form
    807,928.17/1,211,922.90 = 302,435.93/x
  3. Step 3: Cross multiply
    807,928.17x = 1,211,922.90 × 302,435.93
  4. Step 4: Simplify right side
    807,928.17x = 366,529,023,290.18
  5. Step 5: Solve for x
    x = 366,529,023,290.18/807,928.17
  6. Step 6: Final answer
    x = 453,665.36

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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.