Home / 756,996.81-1,044,620.46-434,479.92

Finding the Fourth Proportional to 756,996.81, 1,044,620.46 and 434,479.92

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Solution

The fourth proportional to 756,996.81, 1,044,620.46 and 434,479.92 is: 599,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,996.81 : 1,044,620.46 = 434,479.92 : x
  2. Step 2: Convert to fraction form
    756,996.81/1,044,620.46 = 434,479.92/x
  3. Step 3: Cross multiply
    756,996.81x = 1,044,620.46 × 434,479.92
  4. Step 4: Simplify right side
    756,996.81x = 453,866,613,891.16
  5. Step 5: Solve for x
    x = 453,866,613,891.16/756,996.81
  6. Step 6: Final answer
    x = 599,562.12

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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.