Home / 997,775.20-1,496,857.20-398,634.40

Finding the Fourth Proportional to 997,775.20, 1,496,857.20 and 398,634.40

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Solution

The fourth proportional to 997,775.20, 1,496,857.20 and 398,634.40 is: 598,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,775.20 : 1,496,857.20 = 398,634.40 : x
  2. Step 2: Convert to fraction form
    997,775.20/1,496,857.20 = 398,634.40/x
  3. Step 3: Cross multiply
    997,775.20x = 1,496,857.20 × 398,634.40
  4. Step 4: Simplify right side
    997,775.20x = 596,698,771,807.68
  5. Step 5: Solve for x
    x = 596,698,771,807.68/997,775.20
  6. Step 6: Final answer
    x = 598,029.27

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1.5x scale

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.