Home / 758,145.42-1,046,213.10-418,606.38

Finding the Fourth Proportional to 758,145.42, 1,046,213.10 and 418,606.38

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Solution

The fourth proportional to 758,145.42, 1,046,213.10 and 418,606.38 is: 577,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,145.42 : 1,046,213.10 = 418,606.38 : x
  2. Step 2: Convert to fraction form
    758,145.42/1,046,213.10 = 418,606.38/x
  3. Step 3: Cross multiply
    758,145.42x = 1,046,213.10 × 418,606.38
  4. Step 4: Simplify right side
    758,145.42x = 437,951,478,499.58
  5. Step 5: Solve for x
    x = 437,951,478,499.58/758,145.42
  6. Step 6: Final answer
    x = 577,661.58

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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.