Home / 744,342.80-1,116,514.20-460,907.60

Finding the Fourth Proportional to 744,342.80, 1,116,514.20 and 460,907.60

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Solution

The fourth proportional to 744,342.80, 1,116,514.20 and 460,907.60 is: 691,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,342.80 : 1,116,514.20 = 460,907.60 : x
  2. Step 2: Convert to fraction form
    744,342.80/1,116,514.20 = 460,907.60/x
  3. Step 3: Cross multiply
    744,342.80x = 1,116,514.20 × 460,907.60
  4. Step 4: Simplify right side
    744,342.80x = 514,609,880,287.92
  5. Step 5: Solve for x
    x = 514,609,880,287.92/744,342.80
  6. Step 6: Final answer
    x = 691,361.40

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Double scale
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Similar ratio
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1.5x scale

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.