Home / 703,807.41-1,054,006.28-487,058.78

Finding the Fourth Proportional to 703,807.41, 1,054,006.28 and 487,058.78

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Solution

The fourth proportional to 703,807.41, 1,054,006.28 and 487,058.78 is: 729,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,807.41 : 1,054,006.28 = 487,058.78 : x
  2. Step 2: Convert to fraction form
    703,807.41/1,054,006.28 = 487,058.78/x
  3. Step 3: Cross multiply
    703,807.41x = 1,054,006.28 × 487,058.78
  4. Step 4: Simplify right side
    703,807.41x = 513,363,014,078.04
  5. Step 5: Solve for x
    x = 513,363,014,078.04/703,807.41
  6. Step 6: Final answer
    x = 729,408.37

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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.