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Finding the Fourth Proportional to 652,056, 899,839.74 and 380,311.56

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Solution

The fourth proportional to 652,056, 899,839.74 and 380,311.56 is: 524,831.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,056 : 899,839.74 = 380,311.56 : x
  2. Step 2: Convert to fraction form
    652,056/899,839.74 = 380,311.56/x
  3. Step 3: Cross multiply
    652,056x = 899,839.74 × 380,311.56
  4. Step 4: Simplify right side
    652,056x = 342,219,455,269.39
  5. Step 5: Solve for x
    x = 342,219,455,269.39/652,056
  6. Step 6: Final answer
    x = 524,831.39

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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.