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Finding the Fourth Proportional to 450,455.31, 675,682.43 and 273,012.93

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Solution

The fourth proportional to 450,455.31, 675,682.43 and 273,012.93 is: 409,519.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,455.31 : 675,682.43 = 273,012.93 : x
  2. Step 2: Convert to fraction form
    450,455.31/675,682.43 = 273,012.93/x
  3. Step 3: Cross multiply
    450,455.31x = 675,682.43 × 273,012.93
  4. Step 4: Simplify right side
    450,455.31x = 184,470,038,598.76
  5. Step 5: Solve for x
    x = 184,470,038,598.76/450,455.31
  6. Step 6: Final answer
    x = 409,519.07

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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.