Home / 849,437.33-1,274,353.06-280,783.92

Finding the Fourth Proportional to 849,437.33, 1,274,353.06 and 280,783.92

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Solution

The fourth proportional to 849,437.33, 1,274,353.06 and 280,783.92 is: 421,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,437.33 : 1,274,353.06 = 280,783.92 : x
  2. Step 2: Convert to fraction form
    849,437.33/1,274,353.06 = 280,783.92/x
  3. Step 3: Cross multiply
    849,437.33x = 1,274,353.06 × 280,783.92
  4. Step 4: Simplify right side
    849,437.33x = 357,817,846,948.84
  5. Step 5: Solve for x
    x = 357,817,846,948.84/849,437.33
  6. Step 6: Final answer
    x = 421,241.02

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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.