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Finding the Fourth Proportional to 636,927.88, 878,984.67 and 365,048.24

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Solution

The fourth proportional to 636,927.88, 878,984.67 and 365,048.24 is: 503,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,927.88 : 878,984.67 = 365,048.24 : x
  2. Step 2: Convert to fraction form
    636,927.88/878,984.67 = 365,048.24/x
  3. Step 3: Cross multiply
    636,927.88x = 878,984.67 × 365,048.24
  4. Step 4: Simplify right side
    636,927.88x = 320,871,806,770.48
  5. Step 5: Solve for x
    x = 320,871,806,770.48/636,927.88
  6. Step 6: Final answer
    x = 503,780.44

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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.