Home / 939,862.12-1,297,011.03-510,142.33

Finding the Fourth Proportional to 939,862.12, 1,297,011.03 and 510,142.33

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Solution

The fourth proportional to 939,862.12, 1,297,011.03 and 510,142.33 is: 703,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,862.12 : 1,297,011.03 = 510,142.33 : x
  2. Step 2: Convert to fraction form
    939,862.12/1,297,011.03 = 510,142.33/x
  3. Step 3: Cross multiply
    939,862.12x = 1,297,011.03 × 510,142.33
  4. Step 4: Simplify right side
    939,862.12x = 661,660,228,879.90
  5. Step 5: Solve for x
    x = 661,660,228,879.90/939,862.12
  6. Step 6: Final answer
    x = 703,997.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.