Home / 1,207,440.24-1,811,222.38-308,889.74

Finding the Fourth Proportional to 1,207,440.24, 1,811,222.38 and 308,889.74

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Solution

The fourth proportional to 1,207,440.24, 1,811,222.38 and 308,889.74 is: 463,350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,440.24 : 1,811,222.38 = 308,889.74 : x
  2. Step 2: Convert to fraction form
    1,207,440.24/1,811,222.38 = 308,889.74/x
  3. Step 3: Cross multiply
    1,207,440.24x = 1,811,222.38 × 308,889.74
  4. Step 4: Simplify right side
    1,207,440.24x = 559,468,000,984.27
  5. Step 5: Solve for x
    x = 559,468,000,984.27/1,207,440.24
  6. Step 6: Final answer
    x = 463,350.47

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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.