Home / 693,200.20-1,038,050.70-455,254.60

Finding the Fourth Proportional to 693,200.20, 1,038,050.70 and 455,254.60

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Solution

The fourth proportional to 693,200.20, 1,038,050.70 and 455,254.60 is: 681,732.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,200.20 : 1,038,050.70 = 455,254.60 : x
  2. Step 2: Convert to fraction form
    693,200.20/1,038,050.70 = 455,254.60/x
  3. Step 3: Cross multiply
    693,200.20x = 1,038,050.70 × 455,254.60
  4. Step 4: Simplify right side
    693,200.20x = 472,577,356,208.22
  5. Step 5: Solve for x
    x = 472,577,356,208.22/693,200.20
  6. Step 6: Final answer
    x = 681,732.86

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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.