Home / 971,680.59-1,340,912.75-536,120.37

Finding the Fourth Proportional to 971,680.59, 1,340,912.75 and 536,120.37

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Solution

The fourth proportional to 971,680.59, 1,340,912.75 and 536,120.37 is: 739,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,680.59 : 1,340,912.75 = 536,120.37 : x
  2. Step 2: Convert to fraction form
    971,680.59/1,340,912.75 = 536,120.37/x
  3. Step 3: Cross multiply
    971,680.59x = 1,340,912.75 × 536,120.37
  4. Step 4: Simplify right side
    971,680.59x = 718,890,636,987.12
  5. Step 5: Solve for x
    x = 718,890,636,987.12/971,680.59
  6. Step 6: Final answer
    x = 739,842.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.