Home / 886,872.80-1,330,309.20-381,675.80

Finding the Fourth Proportional to 886,872.80, 1,330,309.20 and 381,675.80

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Solution

The fourth proportional to 886,872.80, 1,330,309.20 and 381,675.80 is: 572,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,872.80 : 1,330,309.20 = 381,675.80 : x
  2. Step 2: Convert to fraction form
    886,872.80/1,330,309.20 = 381,675.80/x
  3. Step 3: Cross multiply
    886,872.80x = 1,330,309.20 × 381,675.80
  4. Step 4: Simplify right side
    886,872.80x = 507,746,828,157.36
  5. Step 5: Solve for x
    x = 507,746,828,157.36/886,872.80
  6. Step 6: Final answer
    x = 572,513.70

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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.