Home / 985,902.10-1,360,558.11-556,180.90

Finding the Fourth Proportional to 985,902.10, 1,360,558.11 and 556,180.90

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Solution

The fourth proportional to 985,902.10, 1,360,558.11 and 556,180.90 is: 767,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,902.10 : 1,360,558.11 = 556,180.90 : x
  2. Step 2: Convert to fraction form
    985,902.10/1,360,558.11 = 556,180.90/x
  3. Step 3: Cross multiply
    985,902.10x = 1,360,558.11 × 556,180.90
  4. Step 4: Simplify right side
    985,902.10x = 756,716,432,806.38
  5. Step 5: Solve for x
    x = 756,716,432,806.38/985,902.10
  6. Step 6: Final answer
    x = 767,537.10

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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.