Home / 672,559.91-1,009,057.70-402,645.84

Finding the Fourth Proportional to 672,559.91, 1,009,057.70 and 402,645.84

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Solution

The fourth proportional to 672,559.91, 1,009,057.70 and 402,645.84 is: 604,099.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,559.91 : 1,009,057.70 = 402,645.84 : x
  2. Step 2: Convert to fraction form
    672,559.91/1,009,057.70 = 402,645.84/x
  3. Step 3: Cross multiply
    672,559.91x = 1,009,057.70 × 402,645.84
  4. Step 4: Simplify right side
    672,559.91x = 406,292,882,447.62
  5. Step 5: Solve for x
    x = 406,292,882,447.62/672,559.91
  6. Step 6: Final answer
    x = 604,099.17

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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.