Home / 841,873.08-1,262,820.56-280,907.58

Finding the Fourth Proportional to 841,873.08, 1,262,820.56 and 280,907.58

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Solution

The fourth proportional to 841,873.08, 1,262,820.56 and 280,907.58 is: 421,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,873.08 : 1,262,820.56 = 280,907.58 : x
  2. Step 2: Convert to fraction form
    841,873.08/1,262,820.56 = 280,907.58/x
  3. Step 3: Cross multiply
    841,873.08x = 1,262,820.56 × 280,907.58
  4. Step 4: Simplify right side
    841,873.08x = 354,735,865,291.62
  5. Step 5: Solve for x
    x = 354,735,865,291.62/841,873.08
  6. Step 6: Final answer
    x = 421,365.02

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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.