Home / 930,773.69-1,284,466.97-528,365.69

Finding the Fourth Proportional to 930,773.69, 1,284,466.97 and 528,365.69

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Solution

The fourth proportional to 930,773.69, 1,284,466.97 and 528,365.69 is: 729,144.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,773.69 : 1,284,466.97 = 528,365.69 : x
  2. Step 2: Convert to fraction form
    930,773.69/1,284,466.97 = 528,365.69/x
  3. Step 3: Cross multiply
    930,773.69x = 1,284,466.97 × 528,365.69
  4. Step 4: Simplify right side
    930,773.69x = 678,668,271,784.84
  5. Step 5: Solve for x
    x = 678,668,271,784.84/930,773.69
  6. Step 6: Final answer
    x = 729,144.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.