Home / 667,712.90-1,001,569.35-401,336.30

Finding the Fourth Proportional to 667,712.90, 1,001,569.35 and 401,336.30

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Solution

The fourth proportional to 667,712.90, 1,001,569.35 and 401,336.30 is: 602,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,712.90 : 1,001,569.35 = 401,336.30 : x
  2. Step 2: Convert to fraction form
    667,712.90/1,001,569.35 = 401,336.30/x
  3. Step 3: Cross multiply
    667,712.90x = 1,001,569.35 × 401,336.30
  4. Step 4: Simplify right side
    667,712.90x = 401,966,137,122.41
  5. Step 5: Solve for x
    x = 401,966,137,122.41/667,712.90
  6. Step 6: Final answer
    x = 602,004.45

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Similar ratio
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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.