Home / 1,024.20-1,412.95-603.81

Finding the Fourth Proportional to 1,024.20, 1,412.95 and 603.81

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Solution

The fourth proportional to 1,024.20, 1,412.95 and 603.81 is: 832.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.20 : 1,412.95 = 603.81 : x
  2. Step 2: Convert to fraction form
    1,024.20/1,412.95 = 603.81/x
  3. Step 3: Cross multiply
    1,024.20x = 1,412.95 × 603.81
  4. Step 4: Simplify right side
    1,024.20x = 853,153.34
  5. Step 5: Solve for x
    x = 853,153.34/1,024.20
  6. Step 6: Final answer
    x = 832.99

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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.