Home / 490,748.63-677,749.38-437,254.94

Finding the Fourth Proportional to 490,748.63, 677,749.38 and 437,254.94

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Solution

The fourth proportional to 490,748.63, 677,749.38 and 437,254.94 is: 603,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,748.63 : 677,749.38 = 437,254.94 : x
  2. Step 2: Convert to fraction form
    490,748.63/677,749.38 = 437,254.94/x
  3. Step 3: Cross multiply
    490,748.63x = 677,749.38 × 437,254.94
  4. Step 4: Simplify right side
    490,748.63x = 296,349,261,098.19
  5. Step 5: Solve for x
    x = 296,349,261,098.19/490,748.63
  6. Step 6: Final answer
    x = 603,871.81

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1.5x scale

Why These Related Problems?

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