Home / 867,946.20-1,301,984.10-306,907.80

Finding the Fourth Proportional to 867,946.20, 1,301,984.10 and 306,907.80

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Solution

The fourth proportional to 867,946.20, 1,301,984.10 and 306,907.80 is: 460,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,946.20 : 1,301,984.10 = 306,907.80 : x
  2. Step 2: Convert to fraction form
    867,946.20/1,301,984.10 = 306,907.80/x
  3. Step 3: Cross multiply
    867,946.20x = 1,301,984.10 × 306,907.80
  4. Step 4: Simplify right side
    867,946.20x = 399,589,075,765.98
  5. Step 5: Solve for x
    x = 399,589,075,765.98/867,946.20
  6. Step 6: Final answer
    x = 460,384.61

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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.