Home / 500,427.24-690,606.18-274,085.16

Finding the Fourth Proportional to 500,427.24, 690,606.18 and 274,085.16

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Solution

The fourth proportional to 500,427.24, 690,606.18 and 274,085.16 is: 378,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,427.24 : 690,606.18 = 274,085.16 : x
  2. Step 2: Convert to fraction form
    500,427.24/690,606.18 = 274,085.16/x
  3. Step 3: Cross multiply
    500,427.24x = 690,606.18 × 274,085.16
  4. Step 4: Simplify right side
    500,427.24x = 189,284,905,342.29
  5. Step 5: Solve for x
    x = 189,284,905,342.29/500,427.24
  6. Step 6: Final answer
    x = 378,246.61

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1.5x scale

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.