Home / 696,269.96-961,167.38-438,525.71

Finding the Fourth Proportional to 696,269.96, 961,167.38 and 438,525.71

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Solution

The fourth proportional to 696,269.96, 961,167.38 and 438,525.71 is: 605,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,269.96 : 961,167.38 = 438,525.71 : x
  2. Step 2: Convert to fraction form
    696,269.96/961,167.38 = 438,525.71/x
  3. Step 3: Cross multiply
    696,269.96x = 961,167.38 × 438,525.71
  4. Step 4: Simplify right side
    696,269.96x = 421,496,607,743.34
  5. Step 5: Solve for x
    x = 421,496,607,743.34/696,269.96
  6. Step 6: Final answer
    x = 605,363.77

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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.