Home / 648,436.86-894,839.41-376,571.57

Finding the Fourth Proportional to 648,436.86, 894,839.41 and 376,571.57

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Solution

The fourth proportional to 648,436.86, 894,839.41 and 376,571.57 is: 519,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,436.86 : 894,839.41 = 376,571.57 : x
  2. Step 2: Convert to fraction form
    648,436.86/894,839.41 = 376,571.57/x
  3. Step 3: Cross multiply
    648,436.86x = 894,839.41 × 376,571.57
  4. Step 4: Simplify right side
    648,436.86x = 336,971,081,521.57
  5. Step 5: Solve for x
    x = 336,971,081,521.57/648,436.86
  6. Step 6: Final answer
    x = 519,666.76

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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.