Home / 698,830.20-1,048,491.27-344,093.40

Finding the Fourth Proportional to 698,830.20, 1,048,491.27 and 344,093.40

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Solution

The fourth proportional to 698,830.20, 1,048,491.27 and 344,093.40 is: 516,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,830.20 : 1,048,491.27 = 344,093.40 : x
  2. Step 2: Convert to fraction form
    698,830.20/1,048,491.27 = 344,093.40/x
  3. Step 3: Cross multiply
    698,830.20x = 1,048,491.27 × 344,093.40
  4. Step 4: Simplify right side
    698,830.20x = 360,778,925,964.62
  5. Step 5: Solve for x
    x = 360,778,925,964.62/698,830.20
  6. Step 6: Final answer
    x = 516,261.21

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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.