Home / 751,653.49-1,127,307.71-448,133.53

Finding the Fourth Proportional to 751,653.49, 1,127,307.71 and 448,133.53

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Solution

The fourth proportional to 751,653.49, 1,127,307.71 and 448,133.53 is: 672,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,653.49 : 1,127,307.71 = 448,133.53 : x
  2. Step 2: Convert to fraction form
    751,653.49/1,127,307.71 = 448,133.53/x
  3. Step 3: Cross multiply
    751,653.49x = 1,127,307.71 × 448,133.53
  4. Step 4: Simplify right side
    751,653.49x = 505,184,381,237.85
  5. Step 5: Solve for x
    x = 505,184,381,237.85/751,653.49
  6. Step 6: Final answer
    x = 672,097.43

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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.