Home / 982,889.67-1,356,431.40-553,197.63

Finding the Fourth Proportional to 982,889.67, 1,356,431.40 and 553,197.63

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Solution

The fourth proportional to 982,889.67, 1,356,431.40 and 553,197.63 is: 763,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,889.67 : 1,356,431.40 = 553,197.63 : x
  2. Step 2: Convert to fraction form
    982,889.67/1,356,431.40 = 553,197.63/x
  3. Step 3: Cross multiply
    982,889.67x = 1,356,431.40 × 553,197.63
  4. Step 4: Simplify right side
    982,889.67x = 750,374,635,737.58
  5. Step 5: Solve for x
    x = 750,374,635,737.58/982,889.67
  6. Step 6: Final answer
    x = 763,437.30

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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.