Home / 487,205.46-672,479.37-334,268.55

Finding the Fourth Proportional to 487,205.46, 672,479.37 and 334,268.55

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Solution

The fourth proportional to 487,205.46, 672,479.37 and 334,268.55 is: 461,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,205.46 : 672,479.37 = 334,268.55 : x
  2. Step 2: Convert to fraction form
    487,205.46/672,479.37 = 334,268.55/x
  3. Step 3: Cross multiply
    487,205.46x = 672,479.37 × 334,268.55
  4. Step 4: Simplify right side
    487,205.46x = 224,788,703,914.81
  5. Step 5: Solve for x
    x = 224,788,703,914.81/487,205.46
  6. Step 6: Final answer
    x = 461,383.79

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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.