Home / 692,469.12-1,038,838.32-265,973.59

Finding the Fourth Proportional to 692,469.12, 1,038,838.32 and 265,973.59

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Solution

The fourth proportional to 692,469.12, 1,038,838.32 and 265,973.59 is: 399,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,469.12 : 1,038,838.32 = 265,973.59 : x
  2. Step 2: Convert to fraction form
    692,469.12/1,038,838.32 = 265,973.59/x
  3. Step 3: Cross multiply
    692,469.12x = 1,038,838.32 × 265,973.59
  4. Step 4: Simplify right side
    692,469.12x = 276,303,557,399.97
  5. Step 5: Solve for x
    x = 276,303,557,399.97/692,469.12
  6. Step 6: Final answer
    x = 399,012.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.