Home / 875,828.80-1,313,131.92-448,534.36

Finding the Fourth Proportional to 875,828.80, 1,313,131.92 and 448,534.36

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Solution

The fourth proportional to 875,828.80, 1,313,131.92 and 448,534.36 is: 672,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,828.80 : 1,313,131.92 = 448,534.36 : x
  2. Step 2: Convert to fraction form
    875,828.80/1,313,131.92 = 448,534.36/x
  3. Step 3: Cross multiply
    875,828.80x = 1,313,131.92 × 448,534.36
  4. Step 4: Simplify right side
    875,828.80x = 588,984,785,332.77
  5. Step 5: Solve for x
    x = 588,984,785,332.77/875,828.80
  6. Step 6: Final answer
    x = 672,488.49

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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.