Home / 1,064.03-1,468.36-621.83

Finding the Fourth Proportional to 1,064.03, 1,468.36 and 621.83

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Solution

The fourth proportional to 1,064.03, 1,468.36 and 621.83 is: 858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.03 : 1,468.36 = 621.83 : x
  2. Step 2: Convert to fraction form
    1,064.03/1,468.36 = 621.83/x
  3. Step 3: Cross multiply
    1,064.03x = 1,468.36 × 621.83
  4. Step 4: Simplify right side
    1,064.03x = 913,070.30
  5. Step 5: Solve for x
    x = 913,070.30/1,064.03
  6. Step 6: Final answer
    x = 858.13

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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.