Home / 470,037.20-706,357.12-458,642.96

Finding the Fourth Proportional to 470,037.20, 706,357.12 and 458,642.96

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Solution

The fourth proportional to 470,037.20, 706,357.12 and 458,642.96 is: 689,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,037.20 : 706,357.12 = 458,642.96 : x
  2. Step 2: Convert to fraction form
    470,037.20/706,357.12 = 458,642.96/x
  3. Step 3: Cross multiply
    470,037.20x = 706,357.12 × 458,642.96
  4. Step 4: Simplify right side
    470,037.20x = 323,965,720,333.88
  5. Step 5: Solve for x
    x = 323,965,720,333.88/470,037.20
  6. Step 6: Final answer
    x = 689,234.21

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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.