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Finding the Fourth Proportional to 1,041.54, 1,437.30 and 569.45

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Solution

The fourth proportional to 1,041.54, 1,437.30 and 569.45 is: 785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.54 : 1,437.30 = 569.45 : x
  2. Step 2: Convert to fraction form
    1,041.54/1,437.30 = 569.45/x
  3. Step 3: Cross multiply
    1,041.54x = 1,437.30 × 569.45
  4. Step 4: Simplify right side
    1,041.54x = 818,470.49
  5. Step 5: Solve for x
    x = 818,470.49/1,041.54
  6. Step 6: Final answer
    x = 785.83

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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.