Home / 805,522.56-1,208,809.44-300,487.56

Finding the Fourth Proportional to 805,522.56, 1,208,809.44 and 300,487.56

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Solution

The fourth proportional to 805,522.56, 1,208,809.44 and 300,487.56 is: 450,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,522.56 : 1,208,809.44 = 300,487.56 : x
  2. Step 2: Convert to fraction form
    805,522.56/1,208,809.44 = 300,487.56/x
  3. Step 3: Cross multiply
    805,522.56x = 1,208,809.44 × 300,487.56
  4. Step 4: Simplify right side
    805,522.56x = 363,232,199,130.57
  5. Step 5: Solve for x
    x = 363,232,199,130.57/805,522.56
  6. Step 6: Final answer
    x = 450,927.41

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1.5x scale

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.