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Finding the Fourth Proportional to 475,759.04, 713,665.44 and 209,643.84

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Solution

The fourth proportional to 475,759.04, 713,665.44 and 209,643.84 is: 314,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,759.04 : 713,665.44 = 209,643.84 : x
  2. Step 2: Convert to fraction form
    475,759.04/713,665.44 = 209,643.84/x
  3. Step 3: Cross multiply
    475,759.04x = 713,665.44 × 209,643.84
  4. Step 4: Simplify right side
    475,759.04x = 149,615,563,316.89
  5. Step 5: Solve for x
    x = 149,615,563,316.89/475,759.04
  6. Step 6: Final answer
    x = 314,477.60

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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.