Home / 703,210.11-1,054,150.81-638,772.89

Finding the Fourth Proportional to 703,210.11, 1,054,150.81 and 638,772.89

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Solution

The fourth proportional to 703,210.11, 1,054,150.81 and 638,772.89 is: 957,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,210.11 : 1,054,150.81 = 638,772.89 : x
  2. Step 2: Convert to fraction form
    703,210.11/1,054,150.81 = 638,772.89/x
  3. Step 3: Cross multiply
    703,210.11x = 1,054,150.81 × 638,772.89
  4. Step 4: Simplify right side
    703,210.11x = 673,362,952,531.86
  5. Step 5: Solve for x
    x = 673,362,952,531.86/703,210.11
  6. Step 6: Final answer
    x = 957,555.85

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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.