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Finding the Fourth Proportional to 1,034.75, 1,427.97 and 569.01

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Solution

The fourth proportional to 1,034.75, 1,427.97 and 569.01 is: 785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.75 : 1,427.97 = 569.01 : x
  2. Step 2: Convert to fraction form
    1,034.75/1,427.97 = 569.01/x
  3. Step 3: Cross multiply
    1,034.75x = 1,427.97 × 569.01
  4. Step 4: Simplify right side
    1,034.75x = 812,526.36
  5. Step 5: Solve for x
    x = 812,526.36/1,034.75
  6. Step 6: Final answer
    x = 785.24

Related Problems

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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.