Home / 762,788.04-1,143,738.98-289,215.06

Finding the Fourth Proportional to 762,788.04, 1,143,738.98 and 289,215.06

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Solution

The fourth proportional to 762,788.04, 1,143,738.98 and 289,215.06 is: 433,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,788.04 : 1,143,738.98 = 289,215.06 : x
  2. Step 2: Convert to fraction form
    762,788.04/1,143,738.98 = 289,215.06/x
  3. Step 3: Cross multiply
    762,788.04x = 1,143,738.98 × 289,215.06
  4. Step 4: Simplify right side
    762,788.04x = 330,786,537,725.04
  5. Step 5: Solve for x
    x = 330,786,537,725.04/762,788.04
  6. Step 6: Final answer
    x = 433,654.59

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1.5x scale

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.