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Finding the Fourth Proportional to 490,750.83, 677,184.48 and 272,924.28

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Solution

The fourth proportional to 490,750.83, 677,184.48 and 272,924.28 is: 376,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,750.83 : 677,184.48 = 272,924.28 : x
  2. Step 2: Convert to fraction form
    490,750.83/677,184.48 = 272,924.28/x
  3. Step 3: Cross multiply
    490,750.83x = 677,184.48 × 272,924.28
  4. Step 4: Simplify right side
    490,750.83x = 184,820,086,631.17
  5. Step 5: Solve for x
    x = 184,820,086,631.17/490,750.83
  6. Step 6: Final answer
    x = 376,606.77

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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.