Home / 677,756.20-1,015,973.10-322,674.76

Finding the Fourth Proportional to 677,756.20, 1,015,973.10 and 322,674.76

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Solution

The fourth proportional to 677,756.20, 1,015,973.10 and 322,674.76 is: 483,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,756.20 : 1,015,973.10 = 322,674.76 : x
  2. Step 2: Convert to fraction form
    677,756.20/1,015,973.10 = 322,674.76/x
  3. Step 3: Cross multiply
    677,756.20x = 1,015,973.10 × 322,674.76
  4. Step 4: Simplify right side
    677,756.20x = 327,828,876,208.96
  5. Step 5: Solve for x
    x = 327,828,876,208.96/677,756.20
  6. Step 6: Final answer
    x = 483,697.35

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1.5x scale

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.