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Finding the Fourth Proportional to 1,029.00, 1,420.00 and 586.95

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Solution

The fourth proportional to 1,029.00, 1,420.00 and 586.95 is: 809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029.00 : 1,420.00 = 586.95 : x
  2. Step 2: Convert to fraction form
    1,029.00/1,420.00 = 586.95/x
  3. Step 3: Cross multiply
    1,029.00x = 1,420.00 × 586.95
  4. Step 4: Simplify right side
    1,029.00x = 833,462.21
  5. Step 5: Solve for x
    x = 833,462.21/1,029.00
  6. Step 6: Final answer
    x = 809.97

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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.