Home / 692,468.87-1,038,837.94-265,973.36

Finding the Fourth Proportional to 692,468.87, 1,038,837.94 and 265,973.36

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Solution

The fourth proportional to 692,468.87, 1,038,837.94 and 265,973.36 is: 399,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,468.87 : 1,038,837.94 = 265,973.36 : x
  2. Step 2: Convert to fraction form
    692,468.87/1,038,837.94 = 265,973.36/x
  3. Step 3: Cross multiply
    692,468.87x = 1,038,837.94 × 265,973.36
  4. Step 4: Simplify right side
    692,468.87x = 276,303,211,538.16
  5. Step 5: Solve for x
    x = 276,303,211,538.16/692,468.87
  6. Step 6: Final answer
    x = 399,011.75

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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.