Home / 886,673.36-1,330,196.99-287,587.91

Finding the Fourth Proportional to 886,673.36, 1,330,196.99 and 287,587.91

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Solution

The fourth proportional to 886,673.36, 1,330,196.99 and 287,587.91 is: 431,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,673.36 : 1,330,196.99 = 287,587.91 : x
  2. Step 2: Convert to fraction form
    886,673.36/1,330,196.99 = 287,587.91/x
  3. Step 3: Cross multiply
    886,673.36x = 1,330,196.99 × 287,587.91
  4. Step 4: Simplify right side
    886,673.36x = 382,548,574,129.94
  5. Step 5: Solve for x
    x = 382,548,574,129.94/886,673.36
  6. Step 6: Final answer
    x = 431,442.50

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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.