Home / 939,795.36-1,296,918.83-510,075.54

Finding the Fourth Proportional to 939,795.36, 1,296,918.83 and 510,075.54

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Solution

The fourth proportional to 939,795.36, 1,296,918.83 and 510,075.54 is: 703,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,795.36 : 1,296,918.83 = 510,075.54 : x
  2. Step 2: Convert to fraction form
    939,795.36/1,296,918.83 = 510,075.54/x
  3. Step 3: Cross multiply
    939,795.36x = 1,296,918.83 × 510,075.54
  4. Step 4: Simplify right side
    939,795.36x = 661,526,573,823.61
  5. Step 5: Solve for x
    x = 661,526,573,823.61/939,795.36
  6. Step 6: Final answer
    x = 703,904.92

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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.