Home / 839,054.20-1,259,018.70-365,787.40

Finding the Fourth Proportional to 839,054.20, 1,259,018.70 and 365,787.40

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Solution

The fourth proportional to 839,054.20, 1,259,018.70 and 365,787.40 is: 548,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,054.20 : 1,259,018.70 = 365,787.40 : x
  2. Step 2: Convert to fraction form
    839,054.20/1,259,018.70 = 365,787.40/x
  3. Step 3: Cross multiply
    839,054.20x = 1,259,018.70 × 365,787.40
  4. Step 4: Simplify right side
    839,054.20x = 460,533,176,824.38
  5. Step 5: Solve for x
    x = 460,533,176,824.38/839,054.20
  6. Step 6: Final answer
    x = 548,871.79

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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.