Home / 762,653.03-1,143,980.94-313,060.55

Finding the Fourth Proportional to 762,653.03, 1,143,980.94 and 313,060.55

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Solution

The fourth proportional to 762,653.03, 1,143,980.94 and 313,060.55 is: 469,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,653.03 : 1,143,980.94 = 313,060.55 : x
  2. Step 2: Convert to fraction form
    762,653.03/1,143,980.94 = 313,060.55/x
  3. Step 3: Cross multiply
    762,653.03x = 1,143,980.94 × 313,060.55
  4. Step 4: Simplify right side
    762,653.03x = 358,135,302,265.92
  5. Step 5: Solve for x
    x = 358,135,302,265.92/762,653.03
  6. Step 6: Final answer
    x = 469,591.40

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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.