Home / 939,810.15-1,296,939.15-510,090.39

Finding the Fourth Proportional to 939,810.15, 1,296,939.15 and 510,090.39

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Solution

The fourth proportional to 939,810.15, 1,296,939.15 and 510,090.39 is: 703,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,810.15 : 1,296,939.15 = 510,090.39 : x
  2. Step 2: Convert to fraction form
    939,810.15/1,296,939.15 = 510,090.39/x
  3. Step 3: Cross multiply
    939,810.15x = 1,296,939.15 × 510,090.39
  4. Step 4: Simplify right side
    939,810.15x = 661,556,196,829.77
  5. Step 5: Solve for x
    x = 661,556,196,829.77/939,810.15
  6. Step 6: Final answer
    x = 703,925.36

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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.