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Finding the Fourth Proportional to 595,018.58, 820,920.42 and 380,284.34

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Solution

The fourth proportional to 595,018.58, 820,920.42 and 380,284.34 is: 524,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,018.58 : 820,920.42 = 380,284.34 : x
  2. Step 2: Convert to fraction form
    595,018.58/820,920.42 = 380,284.34/x
  3. Step 3: Cross multiply
    595,018.58x = 820,920.42 × 380,284.34
  4. Step 4: Simplify right side
    595,018.58x = 312,183,176,007.62
  5. Step 5: Solve for x
    x = 312,183,176,007.62/595,018.58
  6. Step 6: Final answer
    x = 524,661.23

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1.5x scale

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.