Home / 939,820.02-1,296,948.35-510,100.14

Finding the Fourth Proportional to 939,820.02, 1,296,948.35 and 510,100.14

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Solution

The fourth proportional to 939,820.02, 1,296,948.35 and 510,100.14 is: 703,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,820.02 : 1,296,948.35 = 510,100.14 : x
  2. Step 2: Convert to fraction form
    939,820.02/1,296,948.35 = 510,100.14/x
  3. Step 3: Cross multiply
    939,820.02x = 1,296,948.35 × 510,100.14
  4. Step 4: Simplify right side
    939,820.02x = 661,573,541,046.58
  5. Step 5: Solve for x
    x = 661,573,541,046.58/939,820.02
  6. Step 6: Final answer
    x = 703,936.42

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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.