Home / 889,957.26-1,335,133.94-490,392.36

Finding the Fourth Proportional to 889,957.26, 1,335,133.94 and 490,392.36

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Solution

The fourth proportional to 889,957.26, 1,335,133.94 and 490,392.36 is: 735,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,957.26 : 1,335,133.94 = 490,392.36 : x
  2. Step 2: Convert to fraction form
    889,957.26/1,335,133.94 = 490,392.36/x
  3. Step 3: Cross multiply
    889,957.26x = 1,335,133.94 × 490,392.36
  4. Step 4: Simplify right side
    889,957.26x = 654,739,481,300.74
  5. Step 5: Solve for x
    x = 654,739,481,300.74/889,957.26
  6. Step 6: Final answer
    x = 735,697.67

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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.