Home / 997,673.80-1,496,729.40-323,640.40

Finding the Fourth Proportional to 997,673.80, 1,496,729.40 and 323,640.40

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Solution

The fourth proportional to 997,673.80, 1,496,729.40 and 323,640.40 is: 485,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,673.80 : 1,496,729.40 = 323,640.40 : x
  2. Step 2: Convert to fraction form
    997,673.80/1,496,729.40 = 323,640.40/x
  3. Step 3: Cross multiply
    997,673.80x = 1,496,729.40 × 323,640.40
  4. Step 4: Simplify right side
    997,673.80x = 484,402,101,707.76
  5. Step 5: Solve for x
    x = 484,402,101,707.76/997,673.80
  6. Step 6: Final answer
    x = 485,531.55

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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.