Home / 676,360.43-933,391.45-370,449.65

Finding the Fourth Proportional to 676,360.43, 933,391.45 and 370,449.65

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Solution

The fourth proportional to 676,360.43, 933,391.45 and 370,449.65 is: 511,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,360.43 : 933,391.45 = 370,449.65 : x
  2. Step 2: Convert to fraction form
    676,360.43/933,391.45 = 370,449.65/x
  3. Step 3: Cross multiply
    676,360.43x = 933,391.45 × 370,449.65
  4. Step 4: Simplify right side
    676,360.43x = 345,774,538,762.03
  5. Step 5: Solve for x
    x = 345,774,538,762.03/676,360.43
  6. Step 6: Final answer
    x = 511,228.22

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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.