Home / 511,674.24-706,115.04-282,240.40

Finding the Fourth Proportional to 511,674.24, 706,115.04 and 282,240.40

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Solution

The fourth proportional to 511,674.24, 706,115.04 and 282,240.40 is: 389,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,674.24 : 706,115.04 = 282,240.40 : x
  2. Step 2: Convert to fraction form
    511,674.24/706,115.04 = 282,240.40/x
  3. Step 3: Cross multiply
    511,674.24x = 706,115.04 × 282,240.40
  4. Step 4: Simplify right side
    511,674.24x = 199,294,191,335.62
  5. Step 5: Solve for x
    x = 199,294,191,335.62/511,674.24
  6. Step 6: Final answer
    x = 389,494.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.