Home / 696,742.75-961,503.02-386,692.14

Finding the Fourth Proportional to 696,742.75, 961,503.02 and 386,692.14

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Solution

The fourth proportional to 696,742.75, 961,503.02 and 386,692.14 is: 533,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,742.75 : 961,503.02 = 386,692.14 : x
  2. Step 2: Convert to fraction form
    696,742.75/961,503.02 = 386,692.14/x
  3. Step 3: Cross multiply
    696,742.75x = 961,503.02 × 386,692.14
  4. Step 4: Simplify right side
    696,742.75x = 371,805,660,420.26
  5. Step 5: Solve for x
    x = 371,805,660,420.26/696,742.75
  6. Step 6: Final answer
    x = 533,634.06

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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.