Home / 985,903.10-1,360,559.49-556,181.90

Finding the Fourth Proportional to 985,903.10, 1,360,559.49 and 556,181.90

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Solution

The fourth proportional to 985,903.10, 1,360,559.49 and 556,181.90 is: 767,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,903.10 : 1,360,559.49 = 556,181.90 : x
  2. Step 2: Convert to fraction form
    985,903.10/1,360,559.49 = 556,181.90/x
  3. Step 3: Cross multiply
    985,903.10x = 1,360,559.49 × 556,181.90
  4. Step 4: Simplify right side
    985,903.10x = 756,718,562,211.23
  5. Step 5: Solve for x
    x = 756,718,562,211.23/985,903.10
  6. Step 6: Final answer
    x = 767,538.48

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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.