Home / 1,027.02-1,417.29-561.30

Finding the Fourth Proportional to 1,027.02, 1,417.29 and 561.30

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Solution

The fourth proportional to 1,027.02, 1,417.29 and 561.30 is: 774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.02 : 1,417.29 = 561.30 : x
  2. Step 2: Convert to fraction form
    1,027.02/1,417.29 = 561.30/x
  3. Step 3: Cross multiply
    1,027.02x = 1,417.29 × 561.30
  4. Step 4: Simplify right side
    1,027.02x = 795,524.88
  5. Step 5: Solve for x
    x = 795,524.88/1,027.02
  6. Step 6: Final answer
    x = 774.60

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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.