Home / 948,274.92-1,308,618.83-518,555.06

Finding the Fourth Proportional to 948,274.92, 1,308,618.83 and 518,555.06

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Solution

The fourth proportional to 948,274.92, 1,308,618.83 and 518,555.06 is: 715,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,274.92 : 1,308,618.83 = 518,555.06 : x
  2. Step 2: Convert to fraction form
    948,274.92/1,308,618.83 = 518,555.06/x
  3. Step 3: Cross multiply
    948,274.92x = 1,308,618.83 × 518,555.06
  4. Step 4: Simplify right side
    948,274.92x = 678,590,906,771.91
  5. Step 5: Solve for x
    x = 678,590,906,771.91/948,274.92
  6. Step 6: Final answer
    x = 715,605.67

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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.