Home / 696,269.25-961,166.33-438,525

Finding the Fourth Proportional to 696,269.25, 961,166.33 and 438,525

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Solution

The fourth proportional to 696,269.25, 961,166.33 and 438,525 is: 605,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,269.25 : 961,166.33 = 438,525 : x
  2. Step 2: Convert to fraction form
    696,269.25/961,166.33 = 438,525/x
  3. Step 3: Cross multiply
    696,269.25x = 961,166.33 × 438,525
  4. Step 4: Simplify right side
    696,269.25x = 421,495,462,670.63
  5. Step 5: Solve for x
    x = 421,495,462,670.63/696,269.25
  6. Step 6: Final answer
    x = 605,362.74

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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.