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Finding the Fourth Proportional to 914.85, 1,373.19 and 504.18

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Solution

The fourth proportional to 914.85, 1,373.19 and 504.18 is: 756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    914.85 : 1,373.19 = 504.18 : x
  2. Step 2: Convert to fraction form
    914.85/1,373.19 = 504.18/x
  3. Step 3: Cross multiply
    914.85x = 1,373.19 × 504.18
  4. Step 4: Simplify right side
    914.85x = 692,334.93
  5. Step 5: Solve for x
    x = 692,334.93/914.85
  6. Step 6: Final answer
    x = 756.77

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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.