Home / 757,616.28-1,045,506.80-418,105.32

Finding the Fourth Proportional to 757,616.28, 1,045,506.80 and 418,105.32

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Solution

The fourth proportional to 757,616.28, 1,045,506.80 and 418,105.32 is: 576,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,616.28 : 1,045,506.80 = 418,105.32 : x
  2. Step 2: Convert to fraction form
    757,616.28/1,045,506.80 = 418,105.32/x
  3. Step 3: Cross multiply
    757,616.28x = 1,045,506.80 × 418,105.32
  4. Step 4: Simplify right side
    757,616.28x = 437,131,955,176.18
  5. Step 5: Solve for x
    x = 437,131,955,176.18/757,616.28
  6. Step 6: Final answer
    x = 576,983.32

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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.