Home / 757,937.58-1,045,926.45-418,398.54

Finding the Fourth Proportional to 757,937.58, 1,045,926.45 and 418,398.54

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Solution

The fourth proportional to 757,937.58, 1,045,926.45 and 418,398.54 is: 577,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,937.58 : 1,045,926.45 = 418,398.54 : x
  2. Step 2: Convert to fraction form
    757,937.58/1,045,926.45 = 418,398.54/x
  3. Step 3: Cross multiply
    757,937.58x = 1,045,926.45 × 418,398.54
  4. Step 4: Simplify right side
    757,937.58x = 437,614,099,627.38
  5. Step 5: Solve for x
    x = 437,614,099,627.38/757,937.58
  6. Step 6: Final answer
    x = 577,374.85

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1.5x scale

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.