Home / 915,086.28-1,372,460.82-382,464.36

Finding the Fourth Proportional to 915,086.28, 1,372,460.82 and 382,464.36

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Solution

The fourth proportional to 915,086.28, 1,372,460.82 and 382,464.36 is: 573,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,086.28 : 1,372,460.82 = 382,464.36 : x
  2. Step 2: Convert to fraction form
    915,086.28/1,372,460.82 = 382,464.36/x
  3. Step 3: Cross multiply
    915,086.28x = 1,372,460.82 × 382,464.36
  4. Step 4: Simplify right side
    915,086.28x = 524,917,349,146.38
  5. Step 5: Solve for x
    x = 524,917,349,146.38/915,086.28
  6. Step 6: Final answer
    x = 573,626.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.