Home / 744,992.10-1,116,710.55-407,513.70

Finding the Fourth Proportional to 744,992.10, 1,116,710.55 and 407,513.70

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Solution

The fourth proportional to 744,992.10, 1,116,710.55 and 407,513.70 is: 610,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,992.10 : 1,116,710.55 = 407,513.70 : x
  2. Step 2: Convert to fraction form
    744,992.10/1,116,710.55 = 407,513.70/x
  3. Step 3: Cross multiply
    744,992.10x = 1,116,710.55 × 407,513.70
  4. Step 4: Simplify right side
    744,992.10x = 455,074,848,059.54
  5. Step 5: Solve for x
    x = 455,074,848,059.54/744,992.10
  6. Step 6: Final answer
    x = 610,845.20

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Double scale
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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.