Home / 738,132.60-1,106,502.30-400,675.80

Finding the Fourth Proportional to 738,132.60, 1,106,502.30 and 400,675.80

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Solution

The fourth proportional to 738,132.60, 1,106,502.30 and 400,675.80 is: 600,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,132.60 : 1,106,502.30 = 400,675.80 : x
  2. Step 2: Convert to fraction form
    738,132.60/1,106,502.30 = 400,675.80/x
  3. Step 3: Cross multiply
    738,132.60x = 1,106,502.30 × 400,675.80
  4. Step 4: Simplify right side
    738,132.60x = 443,348,694,254.34
  5. Step 5: Solve for x
    x = 443,348,694,254.34/738,132.60
  6. Step 6: Final answer
    x = 600,635.57

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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.