Home / 695,271.57-959,336.08-423,157.20

Finding the Fourth Proportional to 695,271.57, 959,336.08 and 423,157.20

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Solution

The fourth proportional to 695,271.57, 959,336.08 and 423,157.20 is: 583,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,271.57 : 959,336.08 = 423,157.20 : x
  2. Step 2: Convert to fraction form
    695,271.57/959,336.08 = 423,157.20/x
  3. Step 3: Cross multiply
    695,271.57x = 959,336.08 × 423,157.20
  4. Step 4: Simplify right side
    695,271.57x = 405,949,969,471.78
  5. Step 5: Solve for x
    x = 405,949,969,471.78/695,271.57
  6. Step 6: Final answer
    x = 583,872.53

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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.