Home / 648,583.36-972,775.23-216,308.42

Finding the Fourth Proportional to 648,583.36, 972,775.23 and 216,308.42

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Solution

The fourth proportional to 648,583.36, 972,775.23 and 216,308.42 is: 324,429.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,583.36 : 972,775.23 = 216,308.42 : x
  2. Step 2: Convert to fraction form
    648,583.36/972,775.23 = 216,308.42/x
  3. Step 3: Cross multiply
    648,583.36x = 972,775.23 × 216,308.42
  4. Step 4: Simplify right side
    648,583.36x = 210,419,468,152.56
  5. Step 5: Solve for x
    x = 210,419,468,152.56/648,583.36
  6. Step 6: Final answer
    x = 324,429.34

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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.