Home / 1,008,312.68-1,391,453.46-549,431.22

Finding the Fourth Proportional to 1,008,312.68, 1,391,453.46 and 549,431.22

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Solution

The fourth proportional to 1,008,312.68, 1,391,453.46 and 549,431.22 is: 758,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,312.68 : 1,391,453.46 = 549,431.22 : x
  2. Step 2: Convert to fraction form
    1,008,312.68/1,391,453.46 = 549,431.22/x
  3. Step 3: Cross multiply
    1,008,312.68x = 1,391,453.46 × 549,431.22
  4. Step 4: Simplify right side
    1,008,312.68x = 764,507,972,101.02
  5. Step 5: Solve for x
    x = 764,507,972,101.02/1,008,312.68
  6. Step 6: Final answer
    x = 758,205.26

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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.