Home / 678,944.67-1,017,071.97-465,187.29

Finding the Fourth Proportional to 678,944.67, 1,017,071.97 and 465,187.29

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Solution

The fourth proportional to 678,944.67, 1,017,071.97 and 465,187.29 is: 696,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,944.67 : 1,017,071.97 = 465,187.29 : x
  2. Step 2: Convert to fraction form
    678,944.67/1,017,071.97 = 465,187.29/x
  3. Step 3: Cross multiply
    678,944.67x = 1,017,071.97 × 465,187.29
  4. Step 4: Simplify right side
    678,944.67x = 473,128,953,459.26
  5. Step 5: Solve for x
    x = 473,128,953,459.26/678,944.67
  6. Step 6: Final answer
    x = 696,859.37

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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.