Home / 839,254.40-1,259,006.72-299,468.62

Finding the Fourth Proportional to 839,254.40, 1,259,006.72 and 299,468.62

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Solution

The fourth proportional to 839,254.40, 1,259,006.72 and 299,468.62 is: 449,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,254.40 : 1,259,006.72 = 299,468.62 : x
  2. Step 2: Convert to fraction form
    839,254.40/1,259,006.72 = 299,468.62/x
  3. Step 3: Cross multiply
    839,254.40x = 1,259,006.72 × 299,468.62
  4. Step 4: Simplify right side
    839,254.40x = 377,033,005,009.13
  5. Step 5: Solve for x
    x = 377,033,005,009.13/839,254.40
  6. Step 6: Final answer
    x = 449,247.58

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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.