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Finding the Fourth Proportional to 630,960.80, 946,591.86 and 210,240.32

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Solution

The fourth proportional to 630,960.80, 946,591.86 and 210,240.32 is: 315,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,960.80 : 946,591.86 = 210,240.32 : x
  2. Step 2: Convert to fraction form
    630,960.80/946,591.86 = 210,240.32/x
  3. Step 3: Cross multiply
    630,960.80x = 946,591.86 × 210,240.32
  4. Step 4: Simplify right side
    630,960.80x = 199,011,775,555.80
  5. Step 5: Solve for x
    x = 199,011,775,555.80/630,960.80
  6. Step 6: Final answer
    x = 315,410.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.