Home / 674,492.12-1,011,608.40-314,563.76

Finding the Fourth Proportional to 674,492.12, 1,011,608.40 and 314,563.76

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Solution

The fourth proportional to 674,492.12, 1,011,608.40 and 314,563.76 is: 471,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,492.12 : 1,011,608.40 = 314,563.76 : x
  2. Step 2: Convert to fraction form
    674,492.12/1,011,608.40 = 314,563.76/x
  3. Step 3: Cross multiply
    674,492.12x = 1,011,608.40 × 314,563.76
  4. Step 4: Simplify right side
    674,492.12x = 318,215,341,951.58
  5. Step 5: Solve for x
    x = 318,215,341,951.58/674,492.12
  6. Step 6: Final answer
    x = 471,785.11

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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.