Home / 1,004.45-1,386.20-562.35

Finding the Fourth Proportional to 1,004.45, 1,386.20 and 562.35

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Solution

The fourth proportional to 1,004.45, 1,386.20 and 562.35 is: 776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.45 : 1,386.20 = 562.35 : x
  2. Step 2: Convert to fraction form
    1,004.45/1,386.20 = 562.35/x
  3. Step 3: Cross multiply
    1,004.45x = 1,386.20 × 562.35
  4. Step 4: Simplify right side
    1,004.45x = 779,530.98
  5. Step 5: Solve for x
    x = 779,530.98/1,004.45
  6. Step 6: Final answer
    x = 776.08

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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.