Home / 886,916.70-1,330,083.45-325,878.30

Finding the Fourth Proportional to 886,916.70, 1,330,083.45 and 325,878.30

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Solution

The fourth proportional to 886,916.70, 1,330,083.45 and 325,878.30 is: 488,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,916.70 : 1,330,083.45 = 325,878.30 : x
  2. Step 2: Convert to fraction form
    886,916.70/1,330,083.45 = 325,878.30/x
  3. Step 3: Cross multiply
    886,916.70x = 1,330,083.45 × 325,878.30
  4. Step 4: Simplify right side
    886,916.70x = 433,445,333,544.14
  5. Step 5: Solve for x
    x = 433,445,333,544.14/886,916.70
  6. Step 6: Final answer
    x = 488,710.31

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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.