Home / 841,871.66-1,262,818.44-280,906.16

Finding the Fourth Proportional to 841,871.66, 1,262,818.44 and 280,906.16

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Solution

The fourth proportional to 841,871.66, 1,262,818.44 and 280,906.16 is: 421,362.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,871.66 : 1,262,818.44 = 280,906.16 : x
  2. Step 2: Convert to fraction form
    841,871.66/1,262,818.44 = 280,906.16/x
  3. Step 3: Cross multiply
    841,871.66x = 1,262,818.44 × 280,906.16
  4. Step 4: Simplify right side
    841,871.66x = 354,733,472,443.50
  5. Step 5: Solve for x
    x = 354,733,472,443.50/841,871.66
  6. Step 6: Final answer
    x = 421,362.89

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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.