Home / 691,421.07-1,037,164.65-336,011.70

Finding the Fourth Proportional to 691,421.07, 1,037,164.65 and 336,011.70

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Solution

The fourth proportional to 691,421.07, 1,037,164.65 and 336,011.70 is: 504,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,421.07 : 1,037,164.65 = 336,011.70 : x
  2. Step 2: Convert to fraction form
    691,421.07/1,037,164.65 = 336,011.70/x
  3. Step 3: Cross multiply
    691,421.07x = 1,037,164.65 × 336,011.70
  4. Step 4: Simplify right side
    691,421.07x = 348,499,457,226.41
  5. Step 5: Solve for x
    x = 348,499,457,226.41/691,421.07
  6. Step 6: Final answer
    x = 504,033.61

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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.