Home / 1,045.04-1,567.64-314.68

Finding the Fourth Proportional to 1,045.04, 1,567.64 and 314.68

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Solution

The fourth proportional to 1,045.04, 1,567.64 and 314.68 is: 472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.04 : 1,567.64 = 314.68 : x
  2. Step 2: Convert to fraction form
    1,045.04/1,567.64 = 314.68/x
  3. Step 3: Cross multiply
    1,045.04x = 1,567.64 × 314.68
  4. Step 4: Simplify right side
    1,045.04x = 493,304.96
  5. Step 5: Solve for x
    x = 493,304.96/1,045.04
  6. Step 6: Final answer
    x = 472.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.