Home / 1,045.13-1,567.23-558.08

Finding the Fourth Proportional to 1,045.13, 1,567.23 and 558.08

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Solution

The fourth proportional to 1,045.13, 1,567.23 and 558.08 is: 836.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.13 : 1,567.23 = 558.08 : x
  2. Step 2: Convert to fraction form
    1,045.13/1,567.23 = 558.08/x
  3. Step 3: Cross multiply
    1,045.13x = 1,567.23 × 558.08
  4. Step 4: Simplify right side
    1,045.13x = 874,639.72
  5. Step 5: Solve for x
    x = 874,639.72/1,045.13
  6. Step 6: Final answer
    x = 836.87

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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.