Home / 727,924.08-1,004,532.51-405,631.17

Finding the Fourth Proportional to 727,924.08, 1,004,532.51 and 405,631.17

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Solution

The fourth proportional to 727,924.08, 1,004,532.51 and 405,631.17 is: 559,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,924.08 : 1,004,532.51 = 405,631.17 : x
  2. Step 2: Convert to fraction form
    727,924.08/1,004,532.51 = 405,631.17/x
  3. Step 3: Cross multiply
    727,924.08x = 1,004,532.51 × 405,631.17
  4. Step 4: Simplify right side
    727,924.08x = 407,469,697,334.34
  5. Step 5: Solve for x
    x = 407,469,697,334.34/727,924.08
  6. Step 6: Final answer
    x = 559,769.50

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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.