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Finding the Fourth Proportional to 520,602.37, 780,966.73 and 146,625.37

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Solution

The fourth proportional to 520,602.37, 780,966.73 and 146,625.37 is: 219,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,602.37 : 780,966.73 = 146,625.37 : x
  2. Step 2: Convert to fraction form
    520,602.37/780,966.73 = 146,625.37/x
  3. Step 3: Cross multiply
    520,602.37x = 780,966.73 × 146,625.37
  4. Step 4: Simplify right side
    520,602.37x = 114,509,533,974.81
  5. Step 5: Solve for x
    x = 114,509,533,974.81/520,602.37
  6. Step 6: Final answer
    x = 219,955.85

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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.