Home / 736,901.10-1,105,351.65-400,977.90

Finding the Fourth Proportional to 736,901.10, 1,105,351.65 and 400,977.90

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Solution

The fourth proportional to 736,901.10, 1,105,351.65 and 400,977.90 is: 601,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,901.10 : 1,105,351.65 = 400,977.90 : x
  2. Step 2: Convert to fraction form
    736,901.10/1,105,351.65 = 400,977.90/x
  3. Step 3: Cross multiply
    736,901.10x = 1,105,351.65 × 400,977.90
  4. Step 4: Simplify right side
    736,901.10x = 443,221,583,378.54
  5. Step 5: Solve for x
    x = 443,221,583,378.54/736,901.10
  6. Step 6: Final answer
    x = 601,466.85

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Double scale
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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.