Home / 859,265.75-1,289,490.33-298,300.25

Finding the Fourth Proportional to 859,265.75, 1,289,490.33 and 298,300.25

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Solution

The fourth proportional to 859,265.75, 1,289,490.33 and 298,300.25 is: 447,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,265.75 : 1,289,490.33 = 298,300.25 : x
  2. Step 2: Convert to fraction form
    859,265.75/1,289,490.33 = 298,300.25/x
  3. Step 3: Cross multiply
    859,265.75x = 1,289,490.33 × 298,300.25
  4. Step 4: Simplify right side
    859,265.75x = 384,655,287,811.58
  5. Step 5: Solve for x
    x = 384,655,287,811.58/859,265.75
  6. Step 6: Final answer
    x = 447,655.79

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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.