Home / 668,904.20-1,004,994.70-503,016.20

Finding the Fourth Proportional to 668,904.20, 1,004,994.70 and 503,016.20

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Solution

The fourth proportional to 668,904.20, 1,004,994.70 and 503,016.20 is: 755,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,904.20 : 1,004,994.70 = 503,016.20 : x
  2. Step 2: Convert to fraction form
    668,904.20/1,004,994.70 = 503,016.20/x
  3. Step 3: Cross multiply
    668,904.20x = 1,004,994.70 × 503,016.20
  4. Step 4: Simplify right side
    668,904.20x = 505,528,615,014.14
  5. Step 5: Solve for x
    x = 505,528,615,014.14/668,904.20
  6. Step 6: Final answer
    x = 755,756.38

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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.