Home / 809,440.62-1,117,021.80-446,865

Finding the Fourth Proportional to 809,440.62, 1,117,021.80 and 446,865

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Solution

The fourth proportional to 809,440.62, 1,117,021.80 and 446,865 is: 616,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,440.62 : 1,117,021.80 = 446,865 : x
  2. Step 2: Convert to fraction form
    809,440.62/1,117,021.80 = 446,865/x
  3. Step 3: Cross multiply
    809,440.62x = 1,117,021.80 × 446,865
  4. Step 4: Simplify right side
    809,440.62x = 499,157,946,657
  5. Step 5: Solve for x
    x = 499,157,946,657/809,440.62
  6. Step 6: Final answer
    x = 616,670.25

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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.