Home / 712,970.82-983,531.76-483,450.48

Finding the Fourth Proportional to 712,970.82, 983,531.76 and 483,450.48

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Solution

The fourth proportional to 712,970.82, 983,531.76 and 483,450.48 is: 666,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,970.82 : 983,531.76 = 483,450.48 : x
  2. Step 2: Convert to fraction form
    712,970.82/983,531.76 = 483,450.48/x
  3. Step 3: Cross multiply
    712,970.82x = 983,531.76 × 483,450.48
  4. Step 4: Simplify right side
    712,970.82x = 475,488,901,467.25
  5. Step 5: Solve for x
    x = 475,488,901,467.25/712,970.82
  6. Step 6: Final answer
    x = 666,912.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.