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Finding the Fourth Proportional to 477,045.54, 658,048.73 and 297,886.50

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Solution

The fourth proportional to 477,045.54, 658,048.73 and 297,886.50 is: 410,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,045.54 : 658,048.73 = 297,886.50 : x
  2. Step 2: Convert to fraction form
    477,045.54/658,048.73 = 297,886.50/x
  3. Step 3: Cross multiply
    477,045.54x = 658,048.73 × 297,886.50
  4. Step 4: Simplify right side
    477,045.54x = 196,023,831,519.71
  5. Step 5: Solve for x
    x = 196,023,831,519.71/477,045.54
  6. Step 6: Final answer
    x = 410,912.20

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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.