Home / 925,939.89-1,389,042.88-286,293.51

Finding the Fourth Proportional to 925,939.89, 1,389,042.88 and 286,293.51

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Solution

The fourth proportional to 925,939.89, 1,389,042.88 and 286,293.51 is: 429,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,939.89 : 1,389,042.88 = 286,293.51 : x
  2. Step 2: Convert to fraction form
    925,939.89/1,389,042.88 = 286,293.51/x
  3. Step 3: Cross multiply
    925,939.89x = 1,389,042.88 × 286,293.51
  4. Step 4: Simplify right side
    925,939.89x = 397,673,960,939.98
  5. Step 5: Solve for x
    x = 397,673,960,939.98/925,939.89
  6. Step 6: Final answer
    x = 429,481.40

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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.