Home / 807,488.86-1,211,405.52-402,898.62

Finding the Fourth Proportional to 807,488.86, 1,211,405.52 and 402,898.62

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Solution

The fourth proportional to 807,488.86, 1,211,405.52 and 402,898.62 is: 604,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,488.86 : 1,211,405.52 = 402,898.62 : x
  2. Step 2: Convert to fraction form
    807,488.86/1,211,405.52 = 402,898.62/x
  3. Step 3: Cross multiply
    807,488.86x = 1,211,405.52 × 402,898.62
  4. Step 4: Simplify right side
    807,488.86x = 488,073,612,268.38
  5. Step 5: Solve for x
    x = 488,073,612,268.38/807,488.86
  6. Step 6: Final answer
    x = 604,433.86

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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.