Home / 698,480.34-1,047,155.43-218,461.17

Finding the Fourth Proportional to 698,480.34, 1,047,155.43 and 218,461.17

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Solution

The fourth proportional to 698,480.34, 1,047,155.43 and 218,461.17 is: 327,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,480.34 : 1,047,155.43 = 218,461.17 : x
  2. Step 2: Convert to fraction form
    698,480.34/1,047,155.43 = 218,461.17/x
  3. Step 3: Cross multiply
    698,480.34x = 1,047,155.43 × 218,461.17
  4. Step 4: Simplify right side
    698,480.34x = 228,762,800,409.65
  5. Step 5: Solve for x
    x = 228,762,800,409.65/698,480.34
  6. Step 6: Final answer
    x = 327,515.02

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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.