Home / 859,571.51-1,289,512.91-283,225.58

Finding the Fourth Proportional to 859,571.51, 1,289,512.91 and 283,225.58

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Solution

The fourth proportional to 859,571.51, 1,289,512.91 and 283,225.58 is: 424,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,571.51 : 1,289,512.91 = 283,225.58 : x
  2. Step 2: Convert to fraction form
    859,571.51/1,289,512.91 = 283,225.58/x
  3. Step 3: Cross multiply
    859,571.51x = 1,289,512.91 × 283,225.58
  4. Step 4: Simplify right side
    859,571.51x = 365,223,033,988.55
  5. Step 5: Solve for x
    x = 365,223,033,988.55/859,571.51
  6. Step 6: Final answer
    x = 424,889.65

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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.