Home / 654,396.95-982,120.37-338,944.07

Finding the Fourth Proportional to 654,396.95, 982,120.37 and 338,944.07

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Solution

The fourth proportional to 654,396.95, 982,120.37 and 338,944.07 is: 508,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,396.95 : 982,120.37 = 338,944.07 : x
  2. Step 2: Convert to fraction form
    654,396.95/982,120.37 = 338,944.07/x
  3. Step 3: Cross multiply
    654,396.95x = 982,120.37 × 338,944.07
  4. Step 4: Simplify right side
    654,396.95x = 332,883,875,437.71
  5. Step 5: Solve for x
    x = 332,883,875,437.71/654,396.95
  6. Step 6: Final answer
    x = 508,688.00

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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.