Home / 982,968.24-1,356,348.56-553,222.80

Finding the Fourth Proportional to 982,968.24, 1,356,348.56 and 553,222.80

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Solution

The fourth proportional to 982,968.24, 1,356,348.56 and 553,222.80 is: 763,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,968.24 : 1,356,348.56 = 553,222.80 : x
  2. Step 2: Convert to fraction form
    982,968.24/1,356,348.56 = 553,222.80/x
  3. Step 3: Cross multiply
    982,968.24x = 1,356,348.56 × 553,222.80
  4. Step 4: Simplify right side
    982,968.24x = 750,362,948,139.17
  5. Step 5: Solve for x
    x = 750,362,948,139.17/982,968.24
  6. Step 6: Final answer
    x = 763,364.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.