Home / 652,289.14-899,325.75-422,440.30

Finding the Fourth Proportional to 652,289.14, 899,325.75 and 422,440.30

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Solution

The fourth proportional to 652,289.14, 899,325.75 and 422,440.30 is: 582,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,289.14 : 899,325.75 = 422,440.30 : x
  2. Step 2: Convert to fraction form
    652,289.14/899,325.75 = 422,440.30/x
  3. Step 3: Cross multiply
    652,289.14x = 899,325.75 × 422,440.30
  4. Step 4: Simplify right side
    652,289.14x = 379,911,439,627.73
  5. Step 5: Solve for x
    x = 379,911,439,627.73/652,289.14
  6. Step 6: Final answer
    x = 582,427.97

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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.