Home / 669,935.80-1,004,903.70-404,215.30

Finding the Fourth Proportional to 669,935.80, 1,004,903.70 and 404,215.30

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Solution

The fourth proportional to 669,935.80, 1,004,903.70 and 404,215.30 is: 606,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,935.80 : 1,004,903.70 = 404,215.30 : x
  2. Step 2: Convert to fraction form
    669,935.80/1,004,903.70 = 404,215.30/x
  3. Step 3: Cross multiply
    669,935.80x = 1,004,903.70 × 404,215.30
  4. Step 4: Simplify right side
    669,935.80x = 406,197,450,566.61
  5. Step 5: Solve for x
    x = 406,197,450,566.61/669,935.80
  6. Step 6: Final answer
    x = 606,322.95

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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.