Home / 680,315.40-1,019,244.30-601,672.20

Finding the Fourth Proportional to 680,315.40, 1,019,244.30 and 601,672.20

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Solution

The fourth proportional to 680,315.40, 1,019,244.30 and 601,672.20 is: 901,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,315.40 : 1,019,244.30 = 601,672.20 : x
  2. Step 2: Convert to fraction form
    680,315.40/1,019,244.30 = 601,672.20/x
  3. Step 3: Cross multiply
    680,315.40x = 1,019,244.30 × 601,672.20
  4. Step 4: Simplify right side
    680,315.40x = 613,250,960,318.46
  5. Step 5: Solve for x
    x = 613,250,960,318.46/680,315.40
  6. Step 6: Final answer
    x = 901,421.55

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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.