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Finding the Fourth Proportional to 624,820.74, 862,251.39 and 338,339.94

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Solution

The fourth proportional to 624,820.74, 862,251.39 and 338,339.94 is: 466,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,820.74 : 862,251.39 = 338,339.94 : x
  2. Step 2: Convert to fraction form
    624,820.74/862,251.39 = 338,339.94/x
  3. Step 3: Cross multiply
    624,820.74x = 862,251.39 × 338,339.94
  4. Step 4: Simplify right side
    624,820.74x = 291,734,083,557.52
  5. Step 5: Solve for x
    x = 291,734,083,557.52/624,820.74
  6. Step 6: Final answer
    x = 466,908.45

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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.