Home / 969,089.74-1,453,520.13-259,172.80

Finding the Fourth Proportional to 969,089.74, 1,453,520.13 and 259,172.80

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Solution

The fourth proportional to 969,089.74, 1,453,520.13 and 259,172.80 is: 388,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,089.74 : 1,453,520.13 = 259,172.80 : x
  2. Step 2: Convert to fraction form
    969,089.74/1,453,520.13 = 259,172.80/x
  3. Step 3: Cross multiply
    969,089.74x = 1,453,520.13 × 259,172.80
  4. Step 4: Simplify right side
    969,089.74x = 376,712,881,948.46
  5. Step 5: Solve for x
    x = 376,712,881,948.46/969,089.74
  6. Step 6: Final answer
    x = 388,728.58

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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.