Home / 672,765.48-1,008,151.65-553,668.21

Finding the Fourth Proportional to 672,765.48, 1,008,151.65 and 553,668.21

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Solution

The fourth proportional to 672,765.48, 1,008,151.65 and 553,668.21 is: 829,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,765.48 : 1,008,151.65 = 553,668.21 : x
  2. Step 2: Convert to fraction form
    672,765.48/1,008,151.65 = 553,668.21/x
  3. Step 3: Cross multiply
    672,765.48x = 1,008,151.65 × 553,668.21
  4. Step 4: Simplify right side
    672,765.48x = 558,181,519,464.05
  5. Step 5: Solve for x
    x = 558,181,519,464.05/672,765.48
  6. Step 6: Final answer
    x = 829,682.16

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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.