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Finding the Fourth Proportional to 699,656.72, 1,048,599 and 446,839.52

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Solution

The fourth proportional to 699,656.72, 1,048,599 and 446,839.52 is: 669,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,656.72 : 1,048,599 = 446,839.52 : x
  2. Step 2: Convert to fraction form
    699,656.72/1,048,599 = 446,839.52/x
  3. Step 3: Cross multiply
    699,656.72x = 1,048,599 × 446,839.52
  4. Step 4: Simplify right side
    699,656.72x = 468,555,473,832.48
  5. Step 5: Solve for x
    x = 468,555,473,832.48/699,656.72
  6. Step 6: Final answer
    x = 669,693.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.