Home / 810,125.22-1,117,967.49-447,572.46

Finding the Fourth Proportional to 810,125.22, 1,117,967.49 and 447,572.46

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Solution

The fourth proportional to 810,125.22, 1,117,967.49 and 447,572.46 is: 617,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,125.22 : 1,117,967.49 = 447,572.46 : x
  2. Step 2: Convert to fraction form
    810,125.22/1,117,967.49 = 447,572.46/x
  3. Step 3: Cross multiply
    810,125.22x = 1,117,967.49 × 447,572.46
  4. Step 4: Simplify right side
    810,125.22x = 500,371,459,699.33
  5. Step 5: Solve for x
    x = 500,371,459,699.33/810,125.22
  6. Step 6: Final answer
    x = 617,647.06

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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.