Home / 841,675.05-1,262,517.44-280,707.93

Finding the Fourth Proportional to 841,675.05, 1,262,517.44 and 280,707.93

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Solution

The fourth proportional to 841,675.05, 1,262,517.44 and 280,707.93 is: 421,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,675.05 : 1,262,517.44 = 280,707.93 : x
  2. Step 2: Convert to fraction form
    841,675.05/1,262,517.44 = 280,707.93/x
  3. Step 3: Cross multiply
    841,675.05x = 1,262,517.44 × 280,707.93
  4. Step 4: Simplify right side
    841,675.05x = 354,398,655,767.76
  5. Step 5: Solve for x
    x = 354,398,655,767.76/841,675.05
  6. Step 6: Final answer
    x = 421,063.52

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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.