Home / 908,636.40-1,253,912.40-500,741.46

Finding the Fourth Proportional to 908,636.40, 1,253,912.40 and 500,741.46

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Solution

The fourth proportional to 908,636.40, 1,253,912.40 and 500,741.46 is: 691,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,636.40 : 1,253,912.40 = 500,741.46 : x
  2. Step 2: Convert to fraction form
    908,636.40/1,253,912.40 = 500,741.46/x
  3. Step 3: Cross multiply
    908,636.40x = 1,253,912.40 × 500,741.46
  4. Step 4: Simplify right side
    908,636.40x = 627,885,925,888.10
  5. Step 5: Solve for x
    x = 627,885,925,888.10/908,636.40
  6. Step 6: Final answer
    x = 691,020.00

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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.