Home / 918,397.44-1,267,380.27-510,489

Finding the Fourth Proportional to 918,397.44, 1,267,380.27 and 510,489

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Solution

The fourth proportional to 918,397.44, 1,267,380.27 and 510,489 is: 704,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,397.44 : 1,267,380.27 = 510,489 : x
  2. Step 2: Convert to fraction form
    918,397.44/1,267,380.27 = 510,489/x
  3. Step 3: Cross multiply
    918,397.44x = 1,267,380.27 × 510,489
  4. Step 4: Simplify right side
    918,397.44x = 646,983,686,652.03
  5. Step 5: Solve for x
    x = 646,983,686,652.03/918,397.44
  6. Step 6: Final answer
    x = 704,470.26

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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.