Home / 886,370.70-1,328,000.85-727,740.30

Finding the Fourth Proportional to 886,370.70, 1,328,000.85 and 727,740.30

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Solution

The fourth proportional to 886,370.70, 1,328,000.85 and 727,740.30 is: 1,090,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,370.70 : 1,328,000.85 = 727,740.30 : x
  2. Step 2: Convert to fraction form
    886,370.70/1,328,000.85 = 727,740.30/x
  3. Step 3: Cross multiply
    886,370.70x = 1,328,000.85 × 727,740.30
  4. Step 4: Simplify right side
    886,370.70x = 966,439,736,979.26
  5. Step 5: Solve for x
    x = 966,439,736,979.26/886,370.70
  6. Step 6: Final answer
    x = 1,090,333.58

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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.