Home / 707,121.45-975,808.86-384,824.61

Finding the Fourth Proportional to 707,121.45, 975,808.86 and 384,824.61

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Solution

The fourth proportional to 707,121.45, 975,808.86 and 384,824.61 is: 531,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,121.45 : 975,808.86 = 384,824.61 : x
  2. Step 2: Convert to fraction form
    707,121.45/975,808.86 = 384,824.61/x
  3. Step 3: Cross multiply
    707,121.45x = 975,808.86 × 384,824.61
  4. Step 4: Simplify right side
    707,121.45x = 375,515,263,984.05
  5. Step 5: Solve for x
    x = 375,515,263,984.05/707,121.45
  6. Step 6: Final answer
    x = 531,047.76

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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.