Home / 788,920.59-1,183,381.20-189,881.74

Finding the Fourth Proportional to 788,920.59, 1,183,381.20 and 189,881.74

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Solution

The fourth proportional to 788,920.59, 1,183,381.20 and 189,881.74 is: 284,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,920.59 : 1,183,381.20 = 189,881.74 : x
  2. Step 2: Convert to fraction form
    788,920.59/1,183,381.20 = 189,881.74/x
  3. Step 3: Cross multiply
    788,920.59x = 1,183,381.20 × 189,881.74
  4. Step 4: Simplify right side
    788,920.59x = 224,702,486,680.82
  5. Step 5: Solve for x
    x = 224,702,486,680.82/788,920.59
  6. Step 6: Final answer
    x = 284,822.69

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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.