Home / 1,525,300.74-2,287,964.22-388,064.22

Finding the Fourth Proportional to 1,525,300.74, 2,287,964.22 and 388,064.22

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Solution

The fourth proportional to 1,525,300.74, 2,287,964.22 and 388,064.22 is: 582,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,300.74 : 2,287,964.22 = 388,064.22 : x
  2. Step 2: Convert to fraction form
    1,525,300.74/2,287,964.22 = 388,064.22/x
  3. Step 3: Cross multiply
    1,525,300.74x = 2,287,964.22 × 388,064.22
  4. Step 4: Simplify right side
    1,525,300.74x = 887,877,050,422.21
  5. Step 5: Solve for x
    x = 887,877,050,422.21/1,525,300.74
  6. Step 6: Final answer
    x = 582,099.67

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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.