Home / 669,904.80-1,004,857.20-606,919.20

Finding the Fourth Proportional to 669,904.80, 1,004,857.20 and 606,919.20

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Solution

The fourth proportional to 669,904.80, 1,004,857.20 and 606,919.20 is: 910,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,904.80 : 1,004,857.20 = 606,919.20 : x
  2. Step 2: Convert to fraction form
    669,904.80/1,004,857.20 = 606,919.20/x
  3. Step 3: Cross multiply
    669,904.80x = 1,004,857.20 × 606,919.20
  4. Step 4: Simplify right side
    669,904.80x = 609,867,127,938.24
  5. Step 5: Solve for x
    x = 609,867,127,938.24/669,904.80
  6. Step 6: Final answer
    x = 910,378.80

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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.