Home / 852,855.40-1,176,958.80-470,906.32

Finding the Fourth Proportional to 852,855.40, 1,176,958.80 and 470,906.32

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Solution

The fourth proportional to 852,855.40, 1,176,958.80 and 470,906.32 is: 649,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,855.40 : 1,176,958.80 = 470,906.32 : x
  2. Step 2: Convert to fraction form
    852,855.40/1,176,958.80 = 470,906.32/x
  3. Step 3: Cross multiply
    852,855.40x = 1,176,958.80 × 470,906.32
  4. Step 4: Simplify right side
    852,855.40x = 554,237,337,299.62
  5. Step 5: Solve for x
    x = 554,237,337,299.62/852,855.40
  6. Step 6: Final answer
    x = 649,860.85

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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.