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Finding the Fourth Proportional to 804.76, 1,109.28 and 594.28

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Solution

The fourth proportional to 804.76, 1,109.28 and 594.28 is: 819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    804.76 : 1,109.28 = 594.28 : x
  2. Step 2: Convert to fraction form
    804.76/1,109.28 = 594.28/x
  3. Step 3: Cross multiply
    804.76x = 1,109.28 × 594.28
  4. Step 4: Simplify right side
    804.76x = 659,217.37
  5. Step 5: Solve for x
    x = 659,217.37/804.76
  6. Step 6: Final answer
    x = 819.15

Related Problems

Find fourth proportional to 402.38, 554.64 and 297.14
Half scale
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Double scale
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Similar ratio
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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.