Home / 689,314.68-1,033,771.14-268,490.52

Finding the Fourth Proportional to 689,314.68, 1,033,771.14 and 268,490.52

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Solution

The fourth proportional to 689,314.68, 1,033,771.14 and 268,490.52 is: 402,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,314.68 : 1,033,771.14 = 268,490.52 : x
  2. Step 2: Convert to fraction form
    689,314.68/1,033,771.14 = 268,490.52/x
  3. Step 3: Cross multiply
    689,314.68x = 1,033,771.14 × 268,490.52
  4. Step 4: Simplify right side
    689,314.68x = 277,557,750,939.59
  5. Step 5: Solve for x
    x = 277,557,750,939.59/689,314.68
  6. Step 6: Final answer
    x = 402,657.54

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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.