Home / 744,411.80-1,116,617.70-460,976.60

Finding the Fourth Proportional to 744,411.80, 1,116,617.70 and 460,976.60

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Solution

The fourth proportional to 744,411.80, 1,116,617.70 and 460,976.60 is: 691,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,411.80 : 1,116,617.70 = 460,976.60 : x
  2. Step 2: Convert to fraction form
    744,411.80/1,116,617.70 = 460,976.60/x
  3. Step 3: Cross multiply
    744,411.80x = 1,116,617.70 × 460,976.60
  4. Step 4: Simplify right side
    744,411.80x = 514,734,630,845.82
  5. Step 5: Solve for x
    x = 514,734,630,845.82/744,411.80
  6. Step 6: Final answer
    x = 691,464.90

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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.