Home / 925,939.07-1,389,041.70-286,292.69

Finding the Fourth Proportional to 925,939.07, 1,389,041.70 and 286,292.69

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Solution

The fourth proportional to 925,939.07, 1,389,041.70 and 286,292.69 is: 429,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,939.07 : 1,389,041.70 = 286,292.69 : x
  2. Step 2: Convert to fraction form
    925,939.07/1,389,041.70 = 286,292.69/x
  3. Step 3: Cross multiply
    925,939.07x = 1,389,041.70 × 286,292.69
  4. Step 4: Simplify right side
    925,939.07x = 397,672,484,815.17
  5. Step 5: Solve for x
    x = 397,672,484,815.17/925,939.07
  6. Step 6: Final answer
    x = 429,480.19

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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.