Home / 758,276.64-1,046,401.74-418,737.60

Finding the Fourth Proportional to 758,276.64, 1,046,401.74 and 418,737.60

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Solution

The fourth proportional to 758,276.64, 1,046,401.74 and 418,737.60 is: 577,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,276.64 : 1,046,401.74 = 418,737.60 : x
  2. Step 2: Convert to fraction form
    758,276.64/1,046,401.74 = 418,737.60/x
  3. Step 3: Cross multiply
    758,276.64x = 1,046,401.74 × 418,737.60
  4. Step 4: Simplify right side
    758,276.64x = 438,167,753,243.42
  5. Step 5: Solve for x
    x = 438,167,753,243.42/758,276.64
  6. Step 6: Final answer
    x = 577,846.83

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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.