Home / 786,266.87-1,084,915.62-442,057.37

Finding the Fourth Proportional to 786,266.87, 1,084,915.62 and 442,057.37

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Solution

The fourth proportional to 786,266.87, 1,084,915.62 and 442,057.37 is: 609,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,266.87 : 1,084,915.62 = 442,057.37 : x
  2. Step 2: Convert to fraction form
    786,266.87/1,084,915.62 = 442,057.37/x
  3. Step 3: Cross multiply
    786,266.87x = 1,084,915.62 × 442,057.37
  4. Step 4: Simplify right side
    786,266.87x = 479,594,940,224.54
  5. Step 5: Solve for x
    x = 479,594,940,224.54/786,266.87
  6. Step 6: Final answer
    x = 609,964.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.