Home / 939,848.00-1,296,991.54-510,128.21

Finding the Fourth Proportional to 939,848.00, 1,296,991.54 and 510,128.21

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Solution

The fourth proportional to 939,848.00, 1,296,991.54 and 510,128.21 is: 703,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,848.00 : 1,296,991.54 = 510,128.21 : x
  2. Step 2: Convert to fraction form
    939,848.00/1,296,991.54 = 510,128.21/x
  3. Step 3: Cross multiply
    939,848.00x = 1,296,991.54 × 510,128.21
  4. Step 4: Simplify right side
    939,848.00x = 661,631,976,565.48
  5. Step 5: Solve for x
    x = 661,631,976,565.48/939,848.00
  6. Step 6: Final answer
    x = 703,977.64

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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.