Home / 809,242.10-1,213,863.15-508,748.30

Finding the Fourth Proportional to 809,242.10, 1,213,863.15 and 508,748.30

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Solution

The fourth proportional to 809,242.10, 1,213,863.15 and 508,748.30 is: 763,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,242.10 : 1,213,863.15 = 508,748.30 : x
  2. Step 2: Convert to fraction form
    809,242.10/1,213,863.15 = 508,748.30/x
  3. Step 3: Cross multiply
    809,242.10x = 1,213,863.15 × 508,748.30
  4. Step 4: Simplify right side
    809,242.10x = 617,550,813,995.15
  5. Step 5: Solve for x
    x = 617,550,813,995.15/809,242.10
  6. Step 6: Final answer
    x = 763,122.45

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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.