Home / 540,244.03-810,506.18-287,316.54

Finding the Fourth Proportional to 540,244.03, 810,506.18 and 287,316.54

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Solution

The fourth proportional to 540,244.03, 810,506.18 and 287,316.54 is: 431,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,244.03 : 810,506.18 = 287,316.54 : x
  2. Step 2: Convert to fraction form
    540,244.03/810,506.18 = 287,316.54/x
  3. Step 3: Cross multiply
    540,244.03x = 810,506.18 × 287,316.54
  4. Step 4: Simplify right side
    540,244.03x = 232,871,831,286.22
  5. Step 5: Solve for x
    x = 232,871,831,286.22/540,244.03
  6. Step 6: Final answer
    x = 431,049.34

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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.