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Finding the Fourth Proportional to 804.70, 1,110.75 and 473.11

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Solution

The fourth proportional to 804.70, 1,110.75 and 473.11 is: 653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    804.70 : 1,110.75 = 473.11 : x
  2. Step 2: Convert to fraction form
    804.70/1,110.75 = 473.11/x
  3. Step 3: Cross multiply
    804.70x = 1,110.75 × 473.11
  4. Step 4: Simplify right side
    804.70x = 525,506.93
  5. Step 5: Solve for x
    x = 525,506.93/804.70
  6. Step 6: Final answer
    x = 653.05

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Double scale
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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.