Home / 695,367.18-959,527.35-389,401.02

Finding the Fourth Proportional to 695,367.18, 959,527.35 and 389,401.02

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Solution

The fourth proportional to 695,367.18, 959,527.35 and 389,401.02 is: 537,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,367.18 : 959,527.35 = 389,401.02 : x
  2. Step 2: Convert to fraction form
    695,367.18/959,527.35 = 389,401.02/x
  3. Step 3: Cross multiply
    695,367.18x = 959,527.35 × 389,401.02
  4. Step 4: Simplify right side
    695,367.18x = 373,640,928,807.90
  5. Step 5: Solve for x
    x = 373,640,928,807.90/695,367.18
  6. Step 6: Final answer
    x = 537,328.97

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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.