Home / 628,461.88-867,126.16-370,349.37

Finding the Fourth Proportional to 628,461.88, 867,126.16 and 370,349.37

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Solution

The fourth proportional to 628,461.88, 867,126.16 and 370,349.37 is: 510,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,461.88 : 867,126.16 = 370,349.37 : x
  2. Step 2: Convert to fraction form
    628,461.88/867,126.16 = 370,349.37/x
  3. Step 3: Cross multiply
    628,461.88x = 867,126.16 × 370,349.37
  4. Step 4: Simplify right side
    628,461.88x = 321,139,627,066.52
  5. Step 5: Solve for x
    x = 321,139,627,066.52/628,461.88
  6. Step 6: Final answer
    x = 510,993.01

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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.