Home / 648,447.62-894,854.28-376,582.34

Finding the Fourth Proportional to 648,447.62, 894,854.28 and 376,582.34

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Solution

The fourth proportional to 648,447.62, 894,854.28 and 376,582.34 is: 519,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,447.62 : 894,854.28 = 376,582.34 : x
  2. Step 2: Convert to fraction form
    648,447.62/894,854.28 = 376,582.34/x
  3. Step 3: Cross multiply
    648,447.62x = 894,854.28 × 376,582.34
  4. Step 4: Simplify right side
    648,447.62x = 336,986,318,721.42
  5. Step 5: Solve for x
    x = 336,986,318,721.42/648,447.62
  6. Step 6: Final answer
    x = 519,681.63

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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.