Home / 997,996.80-1,497,934.80-525,021.60

Finding the Fourth Proportional to 997,996.80, 1,497,934.80 and 525,021.60

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Solution

The fourth proportional to 997,996.80, 1,497,934.80 and 525,021.60 is: 788,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,996.80 : 1,497,934.80 = 525,021.60 : x
  2. Step 2: Convert to fraction form
    997,996.80/1,497,934.80 = 525,021.60/x
  3. Step 3: Cross multiply
    997,996.80x = 1,497,934.80 × 525,021.60
  4. Step 4: Simplify right side
    997,996.80x = 786,448,125,391.68
  5. Step 5: Solve for x
    x = 786,448,125,391.68/997,996.80
  6. Step 6: Final answer
    x = 788,026.70

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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.