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Finding the Fourth Proportional to 439,468.54, 606,478.53 and 248,510.50

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Solution

The fourth proportional to 439,468.54, 606,478.53 and 248,510.50 is: 342,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,468.54 : 606,478.53 = 248,510.50 : x
  2. Step 2: Convert to fraction form
    439,468.54/606,478.53 = 248,510.50/x
  3. Step 3: Cross multiply
    439,468.54x = 606,478.53 × 248,510.50
  4. Step 4: Simplify right side
    439,468.54x = 150,716,282,729.57
  5. Step 5: Solve for x
    x = 150,716,282,729.57/439,468.54
  6. Step 6: Final answer
    x = 342,951.24

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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.