Home / 843,300.12-1,264,354.83-310,751.04

Finding the Fourth Proportional to 843,300.12, 1,264,354.83 and 310,751.04

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Solution

The fourth proportional to 843,300.12, 1,264,354.83 and 310,751.04 is: 465,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,300.12 : 1,264,354.83 = 310,751.04 : x
  2. Step 2: Convert to fraction form
    843,300.12/1,264,354.83 = 310,751.04/x
  3. Step 3: Cross multiply
    843,300.12x = 1,264,354.83 × 310,751.04
  4. Step 4: Simplify right side
    843,300.12x = 392,899,578,351.52
  5. Step 5: Solve for x
    x = 392,899,578,351.52/843,300.12
  6. Step 6: Final answer
    x = 465,907.18

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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.