Home / 792,240.58-1,093,431.77-470,128.28

Finding the Fourth Proportional to 792,240.58, 1,093,431.77 and 470,128.28

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Solution

The fourth proportional to 792,240.58, 1,093,431.77 and 470,128.28 is: 648,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,240.58 : 1,093,431.77 = 470,128.28 : x
  2. Step 2: Convert to fraction form
    792,240.58/1,093,431.77 = 470,128.28/x
  3. Step 3: Cross multiply
    792,240.58x = 1,093,431.77 × 470,128.28
  4. Step 4: Simplify right side
    792,240.58x = 514,053,199,473.38
  5. Step 5: Solve for x
    x = 514,053,199,473.38/792,240.58
  6. Step 6: Final answer
    x = 648,859.97

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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.