Home / 997,752.20-1,496,822.70-398,611.40

Finding the Fourth Proportional to 997,752.20, 1,496,822.70 and 398,611.40

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Solution

The fourth proportional to 997,752.20, 1,496,822.70 and 398,611.40 is: 597,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,752.20 : 1,496,822.70 = 398,611.40 : x
  2. Step 2: Convert to fraction form
    997,752.20/1,496,822.70 = 398,611.40/x
  3. Step 3: Cross multiply
    997,752.20x = 1,496,822.70 × 398,611.40
  4. Step 4: Simplify right side
    997,752.20x = 596,650,591,998.78
  5. Step 5: Solve for x
    x = 596,650,591,998.78/997,752.20
  6. Step 6: Final answer
    x = 597,994.76

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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.