Home / 942,300.66-1,300,459.26-555,119.64

Finding the Fourth Proportional to 942,300.66, 1,300,459.26 and 555,119.64

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Solution

The fourth proportional to 942,300.66, 1,300,459.26 and 555,119.64 is: 766,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,300.66 : 1,300,459.26 = 555,119.64 : x
  2. Step 2: Convert to fraction form
    942,300.66/1,300,459.26 = 555,119.64/x
  3. Step 3: Cross multiply
    942,300.66x = 1,300,459.26 × 555,119.64
  4. Step 4: Simplify right side
    942,300.66x = 721,910,476,245.87
  5. Step 5: Solve for x
    x = 721,910,476,245.87/942,300.66
  6. Step 6: Final answer
    x = 766,114.79

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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.