Home / 861,370.77-1,291,957.74-230,333.79

Finding the Fourth Proportional to 861,370.77, 1,291,957.74 and 230,333.79

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Solution

The fourth proportional to 861,370.77, 1,291,957.74 and 230,333.79 is: 345,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,370.77 : 1,291,957.74 = 230,333.79 : x
  2. Step 2: Convert to fraction form
    861,370.77/1,291,957.74 = 230,333.79/x
  3. Step 3: Cross multiply
    861,370.77x = 1,291,957.74 × 230,333.79
  4. Step 4: Simplify right side
    861,370.77x = 297,581,522,774.04
  5. Step 5: Solve for x
    x = 297,581,522,774.04/861,370.77
  6. Step 6: Final answer
    x = 345,474.37

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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.