Home / 751,706.74-1,127,387.58-448,186.78

Finding the Fourth Proportional to 751,706.74, 1,127,387.58 and 448,186.78

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Solution

The fourth proportional to 751,706.74, 1,127,387.58 and 448,186.78 is: 672,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,706.74 : 1,127,387.58 = 448,186.78 : x
  2. Step 2: Convert to fraction form
    751,706.74/1,127,387.58 = 448,186.78/x
  3. Step 3: Cross multiply
    751,706.74x = 1,127,387.58 × 448,186.78
  4. Step 4: Simplify right side
    751,706.74x = 505,280,209,292.19
  5. Step 5: Solve for x
    x = 505,280,209,292.19/751,706.74
  6. Step 6: Final answer
    x = 672,177.30

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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.