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Finding the Fourth Proportional to 674,147.70, 930,697.49 and 459,603.02

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Solution

The fourth proportional to 674,147.70, 930,697.49 and 459,603.02 is: 634,506.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,147.70 : 930,697.49 = 459,603.02 : x
  2. Step 2: Convert to fraction form
    674,147.70/930,697.49 = 459,603.02/x
  3. Step 3: Cross multiply
    674,147.70x = 930,697.49 × 459,603.02
  4. Step 4: Simplify right side
    674,147.70x = 427,751,377,110.42
  5. Step 5: Solve for x
    x = 427,751,377,110.42/674,147.70
  6. Step 6: Final answer
    x = 634,506.91

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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.