Home / 671,633.10-1,007,449.65-459,056.70

Finding the Fourth Proportional to 671,633.10, 1,007,449.65 and 459,056.70

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Solution

The fourth proportional to 671,633.10, 1,007,449.65 and 459,056.70 is: 688,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,633.10 : 1,007,449.65 = 459,056.70 : x
  2. Step 2: Convert to fraction form
    671,633.10/1,007,449.65 = 459,056.70/x
  3. Step 3: Cross multiply
    671,633.10x = 1,007,449.65 × 459,056.70
  4. Step 4: Simplify right side
    671,633.10x = 462,476,511,745.16
  5. Step 5: Solve for x
    x = 462,476,511,745.16/671,633.10
  6. Step 6: Final answer
    x = 688,585.05

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Similar ratio
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1.5x scale

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.