Home / 648,448.28-972,803.64-227,756.96

Finding the Fourth Proportional to 648,448.28, 972,803.64 and 227,756.96

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Solution

The fourth proportional to 648,448.28, 972,803.64 and 227,756.96 is: 341,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,448.28 : 972,803.64 = 227,756.96 : x
  2. Step 2: Convert to fraction form
    648,448.28/972,803.64 = 227,756.96/x
  3. Step 3: Cross multiply
    648,448.28x = 972,803.64 × 227,756.96
  4. Step 4: Simplify right side
    648,448.28x = 221,562,799,723.33
  5. Step 5: Solve for x
    x = 221,562,799,723.33/648,448.28
  6. Step 6: Final answer
    x = 341,681.53

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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.