Home / 672,486.98-928,087.58-386,062.34

Finding the Fourth Proportional to 672,486.98, 928,087.58 and 386,062.34

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Solution

The fourth proportional to 672,486.98, 928,087.58 and 386,062.34 is: 532,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,486.98 : 928,087.58 = 386,062.34 : x
  2. Step 2: Convert to fraction form
    672,486.98/928,087.58 = 386,062.34/x
  3. Step 3: Cross multiply
    672,486.98x = 928,087.58 × 386,062.34
  4. Step 4: Simplify right side
    672,486.98x = 358,299,662,859.74
  5. Step 5: Solve for x
    x = 358,299,662,859.74/672,486.98
  6. Step 6: Final answer
    x = 532,797.92

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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.