Home / 698,281.32-1,047,431.70-199,645.32

Finding the Fourth Proportional to 698,281.32, 1,047,431.70 and 199,645.32

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Solution

The fourth proportional to 698,281.32, 1,047,431.70 and 199,645.32 is: 299,470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,281.32 : 1,047,431.70 = 199,645.32 : x
  2. Step 2: Convert to fraction form
    698,281.32/1,047,431.70 = 199,645.32/x
  3. Step 3: Cross multiply
    698,281.32x = 1,047,431.70 × 199,645.32
  4. Step 4: Simplify right side
    698,281.32x = 209,114,836,924.64
  5. Step 5: Solve for x
    x = 209,114,836,924.64/698,281.32
  6. Step 6: Final answer
    x = 299,470.76

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Double scale
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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.