Home / 703,812.16-1,054,013.38-487,063.54

Finding the Fourth Proportional to 703,812.16, 1,054,013.38 and 487,063.54

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Solution

The fourth proportional to 703,812.16, 1,054,013.38 and 487,063.54 is: 729,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,812.16 : 1,054,013.38 = 487,063.54 : x
  2. Step 2: Convert to fraction form
    703,812.16/1,054,013.38 = 487,063.54/x
  3. Step 3: Cross multiply
    703,812.16x = 1,054,013.38 × 487,063.54
  4. Step 4: Simplify right side
    703,812.16x = 513,371,488,070.17
  5. Step 5: Solve for x
    x = 513,371,488,070.17/703,812.16
  6. Step 6: Final answer
    x = 729,415.49

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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.