Home / 715,913.40-1,076,202.90-506,998.20

Finding the Fourth Proportional to 715,913.40, 1,076,202.90 and 506,998.20

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Solution

The fourth proportional to 715,913.40, 1,076,202.90 and 506,998.20 is: 762,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,913.40 : 1,076,202.90 = 506,998.20 : x
  2. Step 2: Convert to fraction form
    715,913.40/1,076,202.90 = 506,998.20/x
  3. Step 3: Cross multiply
    715,913.40x = 1,076,202.90 × 506,998.20
  4. Step 4: Simplify right side
    715,913.40x = 545,632,933,134.78
  5. Step 5: Solve for x
    x = 545,632,933,134.78/715,913.40
  6. Step 6: Final answer
    x = 762,149.35

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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.