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Finding the Fourth Proportional to 540,179.28, 745,453.13 and 298,455.84

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Solution

The fourth proportional to 540,179.28, 745,453.13 and 298,455.84 is: 411,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,179.28 : 745,453.13 = 298,455.84 : x
  2. Step 2: Convert to fraction form
    540,179.28/745,453.13 = 298,455.84/x
  3. Step 3: Cross multiply
    540,179.28x = 745,453.13 × 298,455.84
  4. Step 4: Simplify right side
    540,179.28x = 222,484,838,602.50
  5. Step 5: Solve for x
    x = 222,484,838,602.50/540,179.28
  6. Step 6: Final answer
    x = 411,872.22

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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.