Home / 983,012.09-1,356,556.41-553,294.53

Finding the Fourth Proportional to 983,012.09, 1,356,556.41 and 553,294.53

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Solution

The fourth proportional to 983,012.09, 1,356,556.41 and 553,294.53 is: 763,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,012.09 : 1,356,556.41 = 553,294.53 : x
  2. Step 2: Convert to fraction form
    983,012.09/1,356,556.41 = 553,294.53/x
  3. Step 3: Cross multiply
    983,012.09x = 1,356,556.41 × 553,294.53
  4. Step 4: Simplify right side
    983,012.09x = 750,575,241,289.44
  5. Step 5: Solve for x
    x = 750,575,241,289.44/983,012.09
  6. Step 6: Final answer
    x = 763,546.30

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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.