Home / 939,826.15-1,296,925.32-510,097.06

Finding the Fourth Proportional to 939,826.15, 1,296,925.32 and 510,097.06

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Solution

The fourth proportional to 939,826.15, 1,296,925.32 and 510,097.06 is: 703,915.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,826.15 : 1,296,925.32 = 510,097.06 : x
  2. Step 2: Convert to fraction form
    939,826.15/1,296,925.32 = 510,097.06/x
  3. Step 3: Cross multiply
    939,826.15x = 1,296,925.32 × 510,097.06
  4. Step 4: Simplify right side
    939,826.15x = 661,557,792,771.56
  5. Step 5: Solve for x
    x = 661,557,792,771.56/939,826.15
  6. Step 6: Final answer
    x = 703,915.07

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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.