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Finding the Fourth Proportional to 1,069.60, 1,475.94 and 597.50

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Solution

The fourth proportional to 1,069.60, 1,475.94 and 597.50 is: 824.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069.60 : 1,475.94 = 597.50 : x
  2. Step 2: Convert to fraction form
    1,069.60/1,475.94 = 597.50/x
  3. Step 3: Cross multiply
    1,069.60x = 1,475.94 × 597.50
  4. Step 4: Simplify right side
    1,069.60x = 881,874.15
  5. Step 5: Solve for x
    x = 881,874.15/1,069.60
  6. Step 6: Final answer
    x = 824.49

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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.