Home / 698,698.60-1,047,140.70-323,924.20

Finding the Fourth Proportional to 698,698.60, 1,047,140.70 and 323,924.20

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Solution

The fourth proportional to 698,698.60, 1,047,140.70 and 323,924.20 is: 485,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,698.60 : 1,047,140.70 = 323,924.20 : x
  2. Step 2: Convert to fraction form
    698,698.60/1,047,140.70 = 323,924.20/x
  3. Step 3: Cross multiply
    698,698.60x = 1,047,140.70 × 323,924.20
  4. Step 4: Simplify right side
    698,698.60x = 339,194,213,534.94
  5. Step 5: Solve for x
    x = 339,194,213,534.94/698,698.60
  6. Step 6: Final answer
    x = 485,465.71

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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.