Home / 840,577.50-1,159,996.95-538,771.50

Finding the Fourth Proportional to 840,577.50, 1,159,996.95 and 538,771.50

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Solution

The fourth proportional to 840,577.50, 1,159,996.95 and 538,771.50 is: 743,504.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,577.50 : 1,159,996.95 = 538,771.50 : x
  2. Step 2: Convert to fraction form
    840,577.50/1,159,996.95 = 538,771.50/x
  3. Step 3: Cross multiply
    840,577.50x = 1,159,996.95 × 538,771.50
  4. Step 4: Simplify right side
    840,577.50x = 624,973,296,746.93
  5. Step 5: Solve for x
    x = 624,973,296,746.93/840,577.50
  6. Step 6: Final answer
    x = 743,504.67

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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.