Home / 736,890.60-1,105,335.90-400,967.40

Finding the Fourth Proportional to 736,890.60, 1,105,335.90 and 400,967.40

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Solution

The fourth proportional to 736,890.60, 1,105,335.90 and 400,967.40 is: 601,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,890.60 : 1,105,335.90 = 400,967.40 : x
  2. Step 2: Convert to fraction form
    736,890.60/1,105,335.90 = 400,967.40/x
  3. Step 3: Cross multiply
    736,890.60x = 1,105,335.90 × 400,967.40
  4. Step 4: Simplify right side
    736,890.60x = 443,203,661,949.66
  5. Step 5: Solve for x
    x = 443,203,661,949.66/736,890.60
  6. Step 6: Final answer
    x = 601,451.10

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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.