Home / 757,944.08-1,045,935.42-418,405.04

Finding the Fourth Proportional to 757,944.08, 1,045,935.42 and 418,405.04

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Solution

The fourth proportional to 757,944.08, 1,045,935.42 and 418,405.04 is: 577,383.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,944.08 : 1,045,935.42 = 418,405.04 : x
  2. Step 2: Convert to fraction form
    757,944.08/1,045,935.42 = 418,405.04/x
  3. Step 3: Cross multiply
    757,944.08x = 1,045,935.42 × 418,405.04
  4. Step 4: Simplify right side
    757,944.08x = 437,624,651,242.52
  5. Step 5: Solve for x
    x = 437,624,651,242.52/757,944.08
  6. Step 6: Final answer
    x = 577,383.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.