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Finding the Fourth Proportional to 540,464.84, 745,828.34 and 298,741.20

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Solution

The fourth proportional to 540,464.84, 745,828.34 and 298,741.20 is: 412,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,464.84 : 745,828.34 = 298,741.20 : x
  2. Step 2: Convert to fraction form
    540,464.84/745,828.34 = 298,741.20/x
  3. Step 3: Cross multiply
    540,464.84x = 745,828.34 × 298,741.20
  4. Step 4: Simplify right side
    540,464.84x = 222,809,653,285.61
  5. Step 5: Solve for x
    x = 222,809,653,285.61/540,464.84
  6. Step 6: Final answer
    x = 412,255.59

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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.