Home / 983,993.19-1,357,868.66-548,387.37

Finding the Fourth Proportional to 983,993.19, 1,357,868.66 and 548,387.37

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Solution

The fourth proportional to 983,993.19, 1,357,868.66 and 548,387.37 is: 756,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,993.19 : 1,357,868.66 = 548,387.37 : x
  2. Step 2: Convert to fraction form
    983,993.19/1,357,868.66 = 548,387.37/x
  3. Step 3: Cross multiply
    983,993.19x = 1,357,868.66 × 548,387.37
  4. Step 4: Simplify right side
    983,993.19x = 744,638,020,520.89
  5. Step 5: Solve for x
    x = 744,638,020,520.89/983,993.19
  6. Step 6: Final answer
    x = 756,751.19

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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.