Home / 997,640.30-1,496,460.45-698,458.70

Finding the Fourth Proportional to 997,640.30, 1,496,460.45 and 698,458.70

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Solution

The fourth proportional to 997,640.30, 1,496,460.45 and 698,458.70 is: 1,047,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,640.30 : 1,496,460.45 = 698,458.70 : x
  2. Step 2: Convert to fraction form
    997,640.30/1,496,460.45 = 698,458.70/x
  3. Step 3: Cross multiply
    997,640.30x = 1,496,460.45 × 698,458.70
  4. Step 4: Simplify right side
    997,640.30x = 1,045,215,820,508.41
  5. Step 5: Solve for x
    x = 1,045,215,820,508.41/997,640.30
  6. Step 6: Final answer
    x = 1,047,688.05

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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.