Home / 765,300.84-1,147,554.20-225,487.06

Finding the Fourth Proportional to 765,300.84, 1,147,554.20 and 225,487.06

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Solution

The fourth proportional to 765,300.84, 1,147,554.20 and 225,487.06 is: 338,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,300.84 : 1,147,554.20 = 225,487.06 : x
  2. Step 2: Convert to fraction form
    765,300.84/1,147,554.20 = 225,487.06/x
  3. Step 3: Cross multiply
    765,300.84x = 1,147,554.20 × 225,487.06
  4. Step 4: Simplify right side
    765,300.84x = 258,758,622,748.65
  5. Step 5: Solve for x
    x = 258,758,622,748.65/765,300.84
  6. Step 6: Final answer
    x = 338,113.60

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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.