Home / 841,535.29-1,262,314.09-280,569.97

Finding the Fourth Proportional to 841,535.29, 1,262,314.09 and 280,569.97

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Solution

The fourth proportional to 841,535.29, 1,262,314.09 and 280,569.97 is: 420,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,535.29 : 1,262,314.09 = 280,569.97 : x
  2. Step 2: Convert to fraction form
    841,535.29/1,262,314.09 = 280,569.97/x
  3. Step 3: Cross multiply
    841,535.29x = 1,262,314.09 × 280,569.97
  4. Step 4: Simplify right side
    841,535.29x = 354,167,426,361.88
  5. Step 5: Solve for x
    x = 354,167,426,361.88/841,535.29
  6. Step 6: Final answer
    x = 420,858.67

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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.