Home / 840,476.25-1,159,857.23-458,504.55

Finding the Fourth Proportional to 840,476.25, 1,159,857.23 and 458,504.55

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Solution

The fourth proportional to 840,476.25, 1,159,857.23 and 458,504.55 is: 632,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,476.25 : 1,159,857.23 = 458,504.55 : x
  2. Step 2: Convert to fraction form
    840,476.25/1,159,857.23 = 458,504.55/x
  3. Step 3: Cross multiply
    840,476.25x = 1,159,857.23 × 458,504.55
  4. Step 4: Simplify right side
    840,476.25x = 531,799,815,012.87
  5. Step 5: Solve for x
    x = 531,799,815,012.87/840,476.25
  6. Step 6: Final answer
    x = 632,736.28

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1.5x scale

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.