Home / 741,776.69-1,023,651.83-402,245.21

Finding the Fourth Proportional to 741,776.69, 1,023,651.83 and 402,245.21

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Solution

The fourth proportional to 741,776.69, 1,023,651.83 and 402,245.21 is: 555,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,776.69 : 1,023,651.83 = 402,245.21 : x
  2. Step 2: Convert to fraction form
    741,776.69/1,023,651.83 = 402,245.21/x
  3. Step 3: Cross multiply
    741,776.69x = 1,023,651.83 × 402,245.21
  4. Step 4: Simplify right side
    741,776.69x = 411,759,045,325.23
  5. Step 5: Solve for x
    x = 411,759,045,325.23/741,776.69
  6. Step 6: Final answer
    x = 555,098.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.