Home / 977,418.36-1,465,667.46-378,659.88

Finding the Fourth Proportional to 977,418.36, 1,465,667.46 and 378,659.88

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Solution

The fourth proportional to 977,418.36, 1,465,667.46 and 378,659.88 is: 567,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,418.36 : 1,465,667.46 = 378,659.88 : x
  2. Step 2: Convert to fraction form
    977,418.36/1,465,667.46 = 378,659.88/x
  3. Step 3: Cross multiply
    977,418.36x = 1,465,667.46 × 378,659.88
  4. Step 4: Simplify right side
    977,418.36x = 554,989,464,523.51
  5. Step 5: Solve for x
    x = 554,989,464,523.51/977,418.36
  6. Step 6: Final answer
    x = 567,811.58

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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.