Home / 706,730.20-1,057,503.30-520,106.20

Finding the Fourth Proportional to 706,730.20, 1,057,503.30 and 520,106.20

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Solution

The fourth proportional to 706,730.20, 1,057,503.30 and 520,106.20 is: 778,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,730.20 : 1,057,503.30 = 520,106.20 : x
  2. Step 2: Convert to fraction form
    706,730.20/1,057,503.30 = 520,106.20/x
  3. Step 3: Cross multiply
    706,730.20x = 1,057,503.30 × 520,106.20
  4. Step 4: Simplify right side
    706,730.20x = 550,014,022,850.46
  5. Step 5: Solve for x
    x = 550,014,022,850.46/706,730.20
  6. Step 6: Final answer
    x = 778,251.76

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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.