Home / 674,492.62-1,011,609.15-314,564.26

Finding the Fourth Proportional to 674,492.62, 1,011,609.15 and 314,564.26

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Solution

The fourth proportional to 674,492.62, 1,011,609.15 and 314,564.26 is: 471,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,492.62 : 1,011,609.15 = 314,564.26 : x
  2. Step 2: Convert to fraction form
    674,492.62/1,011,609.15 = 314,564.26/x
  3. Step 3: Cross multiply
    674,492.62x = 1,011,609.15 × 314,564.26
  4. Step 4: Simplify right side
    674,492.62x = 318,216,083,678.98
  5. Step 5: Solve for x
    x = 318,216,083,678.98/674,492.62
  6. Step 6: Final answer
    x = 471,785.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.