Home / 678,806.52-1,018,194.01-341,756.67

Finding the Fourth Proportional to 678,806.52, 1,018,194.01 and 341,756.67

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Solution

The fourth proportional to 678,806.52, 1,018,194.01 and 341,756.67 is: 512,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,806.52 : 1,018,194.01 = 341,756.67 : x
  2. Step 2: Convert to fraction form
    678,806.52/1,018,194.01 = 341,756.67/x
  3. Step 3: Cross multiply
    678,806.52x = 1,018,194.01 × 341,756.67
  4. Step 4: Simplify right side
    678,806.52x = 347,974,594,271.55
  5. Step 5: Solve for x
    x = 347,974,594,271.55/678,806.52
  6. Step 6: Final answer
    x = 512,627.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.