Home / 808,730.80-1,214,408.40-454,436.80

Finding the Fourth Proportional to 808,730.80, 1,214,408.40 and 454,436.80

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Solution

The fourth proportional to 808,730.80, 1,214,408.40 and 454,436.80 is: 682,392.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,730.80 : 1,214,408.40 = 454,436.80 : x
  2. Step 2: Convert to fraction form
    808,730.80/1,214,408.40 = 454,436.80/x
  3. Step 3: Cross multiply
    808,730.80x = 1,214,408.40 × 454,436.80
  4. Step 4: Simplify right side
    808,730.80x = 551,871,867,189.12
  5. Step 5: Solve for x
    x = 551,871,867,189.12/808,730.80
  6. Step 6: Final answer
    x = 682,392.54

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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.