Home / 945,770.37-1,303,638.06-639,734.95

Finding the Fourth Proportional to 945,770.37, 1,303,638.06 and 639,734.95

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Solution

The fourth proportional to 945,770.37, 1,303,638.06 and 639,734.95 is: 881,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,770.37 : 1,303,638.06 = 639,734.95 : x
  2. Step 2: Convert to fraction form
    945,770.37/1,303,638.06 = 639,734.95/x
  3. Step 3: Cross multiply
    945,770.37x = 1,303,638.06 × 639,734.95
  4. Step 4: Simplify right side
    945,770.37x = 833,982,829,132.20
  5. Step 5: Solve for x
    x = 833,982,829,132.20/945,770.37
  6. Step 6: Final answer
    x = 881,802.67

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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.