Home / 939,790.15-1,296,911.66-510,070.33

Finding the Fourth Proportional to 939,790.15, 1,296,911.66 and 510,070.33

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Solution

The fourth proportional to 939,790.15, 1,296,911.66 and 510,070.33 is: 703,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,790.15 : 1,296,911.66 = 510,070.33 : x
  2. Step 2: Convert to fraction form
    939,790.15/1,296,911.66 = 510,070.33/x
  3. Step 3: Cross multiply
    939,790.15x = 1,296,911.66 × 510,070.33
  4. Step 4: Simplify right side
    939,790.15x = 661,516,157,467.84
  5. Step 5: Solve for x
    x = 661,516,157,467.84/939,790.15
  6. Step 6: Final answer
    x = 703,897.74

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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.