Home / 676,427.54-933,436.58-370,505.25

Finding the Fourth Proportional to 676,427.54, 933,436.58 and 370,505.25

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Solution

The fourth proportional to 676,427.54, 933,436.58 and 370,505.25 is: 511,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,427.54 : 933,436.58 = 370,505.25 : x
  2. Step 2: Convert to fraction form
    676,427.54/933,436.58 = 370,505.25/x
  3. Step 3: Cross multiply
    676,427.54x = 933,436.58 × 370,505.25
  4. Step 4: Simplify right side
    676,427.54x = 345,843,151,579.52
  5. Step 5: Solve for x
    x = 345,843,151,579.52/676,427.54
  6. Step 6: Final answer
    x = 511,278.94

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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.