Home / 997,501.20-1,496,446.20-398,360.40

Finding the Fourth Proportional to 997,501.20, 1,496,446.20 and 398,360.40

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Solution

The fourth proportional to 997,501.20, 1,496,446.20 and 398,360.40 is: 597,618.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,501.20 : 1,496,446.20 = 398,360.40 : x
  2. Step 2: Convert to fraction form
    997,501.20/1,496,446.20 = 398,360.40/x
  3. Step 3: Cross multiply
    997,501.20x = 1,496,446.20 × 398,360.40
  4. Step 4: Simplify right side
    997,501.20x = 596,124,906,810.48
  5. Step 5: Solve for x
    x = 596,124,906,810.48/997,501.20
  6. Step 6: Final answer
    x = 597,618.24

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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.