Home / 997,321.92-1,496,574.72-398,565.60

Finding the Fourth Proportional to 997,321.92, 1,496,574.72 and 398,565.60

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Solution

The fourth proportional to 997,321.92, 1,496,574.72 and 398,565.60 is: 598,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,321.92 : 1,496,574.72 = 398,565.60 : x
  2. Step 2: Convert to fraction form
    997,321.92/1,496,574.72 = 398,565.60/x
  3. Step 3: Cross multiply
    997,321.92x = 1,496,574.72 × 398,565.60
  4. Step 4: Simplify right side
    997,321.92x = 596,483,201,221.63
  5. Step 5: Solve for x
    x = 596,483,201,221.63/997,321.92
  6. Step 6: Final answer
    x = 598,084.92

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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.