Home / 700,680.26-966,938.76-378,390.34

Finding the Fourth Proportional to 700,680.26, 966,938.76 and 378,390.34

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Solution

The fourth proportional to 700,680.26, 966,938.76 and 378,390.34 is: 522,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,680.26 : 966,938.76 = 378,390.34 : x
  2. Step 2: Convert to fraction form
    700,680.26/966,938.76 = 378,390.34/x
  3. Step 3: Cross multiply
    700,680.26x = 966,938.76 × 378,390.34
  4. Step 4: Simplify right side
    700,680.26x = 365,880,286,155.58
  5. Step 5: Solve for x
    x = 365,880,286,155.58/700,680.26
  6. Step 6: Final answer
    x = 522,178.67

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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.