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Finding the Fourth Proportional to 532,404.92, 734,453.64 and 317,393.48

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Solution

The fourth proportional to 532,404.92, 734,453.64 and 317,393.48 is: 437,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,404.92 : 734,453.64 = 317,393.48 : x
  2. Step 2: Convert to fraction form
    532,404.92/734,453.64 = 317,393.48/x
  3. Step 3: Cross multiply
    532,404.92x = 734,453.64 × 317,393.48
  4. Step 4: Simplify right side
    532,404.92x = 233,110,796,698.27
  5. Step 5: Solve for x
    x = 233,110,796,698.27/532,404.92
  6. Step 6: Final answer
    x = 437,844.93

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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.