Home / 703,505.79-1,054,392.12-400,154.31

Finding the Fourth Proportional to 703,505.79, 1,054,392.12 and 400,154.31

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Solution

The fourth proportional to 703,505.79, 1,054,392.12 and 400,154.31 is: 599,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,505.79 : 1,054,392.12 = 400,154.31 : x
  2. Step 2: Convert to fraction form
    703,505.79/1,054,392.12 = 400,154.31/x
  3. Step 3: Cross multiply
    703,505.79x = 1,054,392.12 × 400,154.31
  4. Step 4: Simplify right side
    703,505.79x = 421,919,551,248.04
  5. Step 5: Solve for x
    x = 421,919,551,248.04/703,505.79
  6. Step 6: Final answer
    x = 599,738.56

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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.