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Finding the Fourth Proportional to 598,783.10, 898,174.65 and 520,051.10

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Solution

The fourth proportional to 598,783.10, 898,174.65 and 520,051.10 is: 780,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,783.10 : 898,174.65 = 520,051.10 : x
  2. Step 2: Convert to fraction form
    598,783.10/898,174.65 = 520,051.10/x
  3. Step 3: Cross multiply
    598,783.10x = 898,174.65 × 520,051.10
  4. Step 4: Simplify right side
    598,783.10x = 467,096,714,724.62
  5. Step 5: Solve for x
    x = 467,096,714,724.62/598,783.10
  6. Step 6: Final answer
    x = 780,076.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.