Home / 614,828.61-848,464.20-339,180.21

Finding the Fourth Proportional to 614,828.61, 848,464.20 and 339,180.21

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Solution

The fourth proportional to 614,828.61, 848,464.20 and 339,180.21 is: 468,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,828.61 : 848,464.20 = 339,180.21 : x
  2. Step 2: Convert to fraction form
    614,828.61/848,464.20 = 339,180.21/x
  3. Step 3: Cross multiply
    614,828.61x = 848,464.20 × 339,180.21
  4. Step 4: Simplify right side
    614,828.61x = 287,782,265,533.48
  5. Step 5: Solve for x
    x = 287,782,265,533.48/614,828.61
  6. Step 6: Final answer
    x = 468,069.09

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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.