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Finding the Fourth Proportional to 630,941.80, 946,067.10 and 256,541.80

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Solution

The fourth proportional to 630,941.80, 946,067.10 and 256,541.80 is: 384,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,941.80 : 946,067.10 = 256,541.80 : x
  2. Step 2: Convert to fraction form
    630,941.80/946,067.10 = 256,541.80/x
  3. Step 3: Cross multiply
    630,941.80x = 946,067.10 × 256,541.80
  4. Step 4: Simplify right side
    630,941.80x = 242,705,756,754.78
  5. Step 5: Solve for x
    x = 242,705,756,754.78/630,941.80
  6. Step 6: Final answer
    x = 384,672.18

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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.