Home / 806,630.94-1,209,745.53-245,657.34

Finding the Fourth Proportional to 806,630.94, 1,209,745.53 and 245,657.34

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Solution

The fourth proportional to 806,630.94, 1,209,745.53 and 245,657.34 is: 368,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,630.94 : 1,209,745.53 = 245,657.34 : x
  2. Step 2: Convert to fraction form
    806,630.94/1,209,745.53 = 245,657.34/x
  3. Step 3: Cross multiply
    806,630.94x = 1,209,745.53 × 245,657.34
  4. Step 4: Simplify right side
    806,630.94x = 297,182,868,976.69
  5. Step 5: Solve for x
    x = 297,182,868,976.69/806,630.94
  6. Step 6: Final answer
    x = 368,424.83

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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.