Home / 1,117.23-1,675.11-500.09

Finding the Fourth Proportional to 1,117.23, 1,675.11 and 500.09

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Solution

The fourth proportional to 1,117.23, 1,675.11 and 500.09 is: 749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117.23 : 1,675.11 = 500.09 : x
  2. Step 2: Convert to fraction form
    1,117.23/1,675.11 = 500.09/x
  3. Step 3: Cross multiply
    1,117.23x = 1,675.11 × 500.09
  4. Step 4: Simplify right side
    1,117.23x = 837,705.76
  5. Step 5: Solve for x
    x = 837,705.76/1,117.23
  6. Step 6: Final answer
    x = 749.81

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1.5x scale

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.