Home / 667,710.90-1,001,566.35-401,334.30

Finding the Fourth Proportional to 667,710.90, 1,001,566.35 and 401,334.30

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Solution

The fourth proportional to 667,710.90, 1,001,566.35 and 401,334.30 is: 602,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,710.90 : 1,001,566.35 = 401,334.30 : x
  2. Step 2: Convert to fraction form
    667,710.90/1,001,566.35 = 401,334.30/x
  3. Step 3: Cross multiply
    667,710.90x = 1,001,566.35 × 401,334.30
  4. Step 4: Simplify right side
    667,710.90x = 401,962,929,980.81
  5. Step 5: Solve for x
    x = 401,962,929,980.81/667,710.90
  6. Step 6: Final answer
    x = 602,001.45

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Similar ratio
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1.5x scale

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.