Home / 839,748.08-1,259,492.28-307,144.56

Finding the Fourth Proportional to 839,748.08, 1,259,492.28 and 307,144.56

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Solution

The fourth proportional to 839,748.08, 1,259,492.28 and 307,144.56 is: 460,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,748.08 : 1,259,492.28 = 307,144.56 : x
  2. Step 2: Convert to fraction form
    839,748.08/1,259,492.28 = 307,144.56/x
  3. Step 3: Cross multiply
    839,748.08x = 1,259,492.28 × 307,144.56
  4. Step 4: Simplify right side
    839,748.08x = 386,846,202,164.00
  5. Step 5: Solve for x
    x = 386,846,202,164.00/839,748.08
  6. Step 6: Final answer
    x = 460,669.35

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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.