Home / 840,258.24-1,259,741.35-435,016.03

Finding the Fourth Proportional to 840,258.24, 1,259,741.35 and 435,016.03

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Solution

The fourth proportional to 840,258.24, 1,259,741.35 and 435,016.03 is: 652,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,258.24 : 1,259,741.35 = 435,016.03 : x
  2. Step 2: Convert to fraction form
    840,258.24/1,259,741.35 = 435,016.03/x
  3. Step 3: Cross multiply
    840,258.24x = 1,259,741.35 × 435,016.03
  4. Step 4: Simplify right side
    840,258.24x = 548,007,678,728.76
  5. Step 5: Solve for x
    x = 548,007,678,728.76/840,258.24
  6. Step 6: Final answer
    x = 652,189.59

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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.