Home / 671,619.72-1,007,428.50-460,617.96

Finding the Fourth Proportional to 671,619.72, 1,007,428.50 and 460,617.96

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Solution

The fourth proportional to 671,619.72, 1,007,428.50 and 460,617.96 is: 690,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,619.72 : 1,007,428.50 = 460,617.96 : x
  2. Step 2: Convert to fraction form
    671,619.72/1,007,428.50 = 460,617.96/x
  3. Step 3: Cross multiply
    671,619.72x = 1,007,428.50 × 460,617.96
  4. Step 4: Simplify right side
    671,619.72x = 464,039,660,515.86
  5. Step 5: Solve for x
    x = 464,039,660,515.86/671,619.72
  6. Step 6: Final answer
    x = 690,926.20

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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.