Home / 810,478.26-1,118,428.38-466,425

Finding the Fourth Proportional to 810,478.26, 1,118,428.38 and 466,425

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Solution

The fourth proportional to 810,478.26, 1,118,428.38 and 466,425 is: 643,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,478.26 : 1,118,428.38 = 466,425 : x
  2. Step 2: Convert to fraction form
    810,478.26/1,118,428.38 = 466,425/x
  3. Step 3: Cross multiply
    810,478.26x = 1,118,428.38 × 466,425
  4. Step 4: Simplify right side
    810,478.26x = 521,662,957,141.50
  5. Step 5: Solve for x
    x = 521,662,957,141.50/810,478.26
  6. Step 6: Final answer
    x = 643,648.30

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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.