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Finding the Fourth Proportional to 474,598.60, 654,946.32 and 259,738.54

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Solution

The fourth proportional to 474,598.60, 654,946.32 and 259,738.54 is: 358,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,598.60 : 654,946.32 = 259,738.54 : x
  2. Step 2: Convert to fraction form
    474,598.60/654,946.32 = 259,738.54/x
  3. Step 3: Cross multiply
    474,598.60x = 654,946.32 × 259,738.54
  4. Step 4: Simplify right side
    474,598.60x = 170,114,800,935.17
  5. Step 5: Solve for x
    x = 170,114,800,935.17/474,598.60
  6. Step 6: Final answer
    x = 358,439.32

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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.