Home / 864,816.90-1,296,100.16-351,884.28

Finding the Fourth Proportional to 864,816.90, 1,296,100.16 and 351,884.28

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Solution

The fourth proportional to 864,816.90, 1,296,100.16 and 351,884.28 is: 527,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,816.90 : 1,296,100.16 = 351,884.28 : x
  2. Step 2: Convert to fraction form
    864,816.90/1,296,100.16 = 351,884.28/x
  3. Step 3: Cross multiply
    864,816.90x = 1,296,100.16 × 351,884.28
  4. Step 4: Simplify right side
    864,816.90x = 456,077,271,609.49
  5. Step 5: Solve for x
    x = 456,077,271,609.49/864,816.90
  6. Step 6: Final answer
    x = 527,368.59

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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.