Home / 703,151.93-1,054,412.53-418,976.39

Finding the Fourth Proportional to 703,151.93, 1,054,412.53 and 418,976.39

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Solution

The fourth proportional to 703,151.93, 1,054,412.53 and 418,976.39 is: 628,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,151.93 : 1,054,412.53 = 418,976.39 : x
  2. Step 2: Convert to fraction form
    703,151.93/1,054,412.53 = 418,976.39/x
  3. Step 3: Cross multiply
    703,151.93x = 1,054,412.53 × 418,976.39
  4. Step 4: Simplify right side
    703,151.93x = 441,773,955,390.17
  5. Step 5: Solve for x
    x = 441,773,955,390.17/703,151.93
  6. Step 6: Final answer
    x = 628,276.67

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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.