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Finding the Fourth Proportional to 466,922.76, 699,261.80 and 266,636.76

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Solution

The fourth proportional to 466,922.76, 699,261.80 and 266,636.76 is: 399,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,922.76 : 699,261.80 = 266,636.76 : x
  2. Step 2: Convert to fraction form
    466,922.76/699,261.80 = 266,636.76/x
  3. Step 3: Cross multiply
    466,922.76x = 699,261.80 × 266,636.76
  4. Step 4: Simplify right side
    466,922.76x = 186,448,900,743.77
  5. Step 5: Solve for x
    x = 186,448,900,743.77/466,922.76
  6. Step 6: Final answer
    x = 399,314.23

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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.