Home / 841,873.23-1,262,820.80-280,907.73

Finding the Fourth Proportional to 841,873.23, 1,262,820.80 and 280,907.73

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Solution

The fourth proportional to 841,873.23, 1,262,820.80 and 280,907.73 is: 421,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,873.23 : 1,262,820.80 = 280,907.73 : x
  2. Step 2: Convert to fraction form
    841,873.23/1,262,820.80 = 280,907.73/x
  3. Step 3: Cross multiply
    841,873.23x = 1,262,820.80 × 280,907.73
  4. Step 4: Simplify right side
    841,873.23x = 354,736,124,324.78
  5. Step 5: Solve for x
    x = 354,736,124,324.78/841,873.23
  6. Step 6: Final answer
    x = 421,365.25

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1.5x scale

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.