Home / 849,451.73-1,274,374.62-280,798.34

Finding the Fourth Proportional to 849,451.73, 1,274,374.62 and 280,798.34

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Solution

The fourth proportional to 849,451.73, 1,274,374.62 and 280,798.34 is: 421,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,451.73 : 1,274,374.62 = 280,798.34 : x
  2. Step 2: Convert to fraction form
    849,451.73/1,274,374.62 = 280,798.34/x
  3. Step 3: Cross multiply
    849,451.73x = 1,274,374.62 × 280,798.34
  4. Step 4: Simplify right side
    849,451.73x = 357,842,271,462.26
  5. Step 5: Solve for x
    x = 357,842,271,462.26/849,451.73
  6. Step 6: Final answer
    x = 421,262.63

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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.