Home / 639,433.22-882,417.93-352,953.37

Finding the Fourth Proportional to 639,433.22, 882,417.93 and 352,953.37

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Solution

The fourth proportional to 639,433.22, 882,417.93 and 352,953.37 is: 487,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,433.22 : 882,417.93 = 352,953.37 : x
  2. Step 2: Convert to fraction form
    639,433.22/882,417.93 = 352,953.37/x
  3. Step 3: Cross multiply
    639,433.22x = 882,417.93 × 352,953.37
  4. Step 4: Simplify right side
    639,433.22x = 311,452,377,729.84
  5. Step 5: Solve for x
    x = 311,452,377,729.84/639,433.22
  6. Step 6: Final answer
    x = 487,075.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.