Home / 786,053.26-1,179,329.10-280,603.40

Finding the Fourth Proportional to 786,053.26, 1,179,329.10 and 280,603.40

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Solution

The fourth proportional to 786,053.26, 1,179,329.10 and 280,603.40 is: 420,994.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,053.26 : 1,179,329.10 = 280,603.40 : x
  2. Step 2: Convert to fraction form
    786,053.26/1,179,329.10 = 280,603.40/x
  3. Step 3: Cross multiply
    786,053.26x = 1,179,329.10 × 280,603.40
  4. Step 4: Simplify right side
    786,053.26x = 330,923,755,178.94
  5. Step 5: Solve for x
    x = 330,923,755,178.94/786,053.26
  6. Step 6: Final answer
    x = 420,994.06

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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.