Home / 786,045.49-1,179,317.46-280,595.63

Finding the Fourth Proportional to 786,045.49, 1,179,317.46 and 280,595.63

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Solution

The fourth proportional to 786,045.49, 1,179,317.46 and 280,595.63 is: 420,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,045.49 : 1,179,317.46 = 280,595.63 : x
  2. Step 2: Convert to fraction form
    786,045.49/1,179,317.46 = 280,595.63/x
  3. Step 3: Cross multiply
    786,045.49x = 1,179,317.46 × 280,595.63
  4. Step 4: Simplify right side
    786,045.49x = 330,911,325,658.70
  5. Step 5: Solve for x
    x = 330,911,325,658.70/786,045.49
  6. Step 6: Final answer
    x = 420,982.41

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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.