Home / 1,116.56-1,674.90-500.31

Finding the Fourth Proportional to 1,116.56, 1,674.90 and 500.31

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Solution

The fourth proportional to 1,116.56, 1,674.90 and 500.31 is: 750.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.56 : 1,674.90 = 500.31 : x
  2. Step 2: Convert to fraction form
    1,116.56/1,674.90 = 500.31/x
  3. Step 3: Cross multiply
    1,116.56x = 1,674.90 × 500.31
  4. Step 4: Simplify right side
    1,116.56x = 837,969.22
  5. Step 5: Solve for x
    x = 837,969.22/1,116.56
  6. Step 6: Final answer
    x = 750.49

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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.