Home / 692,448.82-1,038,807.89-265,953.44

Finding the Fourth Proportional to 692,448.82, 1,038,807.89 and 265,953.44

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Solution

The fourth proportional to 692,448.82, 1,038,807.89 and 265,953.44 is: 398,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,448.82 : 1,038,807.89 = 265,953.44 : x
  2. Step 2: Convert to fraction form
    692,448.82/1,038,807.89 = 265,953.44/x
  3. Step 3: Cross multiply
    692,448.82x = 1,038,807.89 × 265,953.44
  4. Step 4: Simplify right side
    692,448.82x = 276,274,530,514.87
  5. Step 5: Solve for x
    x = 276,274,530,514.87/692,448.82
  6. Step 6: Final answer
    x = 398,981.88

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1.5x scale

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.