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Finding the Fourth Proportional to 466,726.79, 699,066 and 385,848.12

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Solution

The fourth proportional to 466,726.79, 699,066 and 385,848.12 is: 577,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,726.79 : 699,066 = 385,848.12 : x
  2. Step 2: Convert to fraction form
    466,726.79/699,066 = 385,848.12/x
  3. Step 3: Cross multiply
    466,726.79x = 699,066 × 385,848.12
  4. Step 4: Simplify right side
    466,726.79x = 269,733,299,234.42
  5. Step 5: Solve for x
    x = 269,733,299,234.42/466,726.79
  6. Step 6: Final answer
    x = 577,925.47

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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.