Home / 971,621.62-1,340,830.34-536,057.32

Finding the Fourth Proportional to 971,621.62, 1,340,830.34 and 536,057.32

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Solution

The fourth proportional to 971,621.62, 1,340,830.34 and 536,057.32 is: 739,754.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,621.62 : 1,340,830.34 = 536,057.32 : x
  2. Step 2: Convert to fraction form
    971,621.62/1,340,830.34 = 536,057.32/x
  3. Step 3: Cross multiply
    971,621.62x = 1,340,830.34 × 536,057.32
  4. Step 4: Simplify right side
    971,621.62x = 718,761,918,635.09
  5. Step 5: Solve for x
    x = 718,761,918,635.09/971,621.62
  6. Step 6: Final answer
    x = 739,754.97

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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.