Home / 984,160.40-1,476,163.80-385,005.20

Finding the Fourth Proportional to 984,160.40, 1,476,163.80 and 385,005.20

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Solution

The fourth proportional to 984,160.40, 1,476,163.80 and 385,005.20 is: 577,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,160.40 : 1,476,163.80 = 385,005.20 : x
  2. Step 2: Convert to fraction form
    984,160.40/1,476,163.80 = 385,005.20/x
  3. Step 3: Cross multiply
    984,160.40x = 1,476,163.80 × 385,005.20
  4. Step 4: Simplify right side
    984,160.40x = 568,330,739,051.76
  5. Step 5: Solve for x
    x = 568,330,739,051.76/984,160.40
  6. Step 6: Final answer
    x = 577,477.76

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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.