Home / 674,899.31-1,012,722.64-404,362.62

Finding the Fourth Proportional to 674,899.31, 1,012,722.64 and 404,362.62

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Solution

The fourth proportional to 674,899.31, 1,012,722.64 and 404,362.62 is: 606,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,899.31 : 1,012,722.64 = 404,362.62 : x
  2. Step 2: Convert to fraction form
    674,899.31/1,012,722.64 = 404,362.62/x
  3. Step 3: Cross multiply
    674,899.31x = 1,012,722.64 × 404,362.62
  4. Step 4: Simplify right side
    674,899.31x = 409,507,179,032.81
  5. Step 5: Solve for x
    x = 409,507,179,032.81/674,899.31
  6. Step 6: Final answer
    x = 606,767.81

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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.