Home / 904,021.01-1,247,733.57-521,995.85

Finding the Fourth Proportional to 904,021.01, 1,247,733.57 and 521,995.85

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Solution

The fourth proportional to 904,021.01, 1,247,733.57 and 521,995.85 is: 720,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,021.01 : 1,247,733.57 = 521,995.85 : x
  2. Step 2: Convert to fraction form
    904,021.01/1,247,733.57 = 521,995.85/x
  3. Step 3: Cross multiply
    904,021.01x = 1,247,733.57 × 521,995.85
  4. Step 4: Simplify right side
    904,021.01x = 651,311,736,597.04
  5. Step 5: Solve for x
    x = 651,311,736,597.04/904,021.01
  6. Step 6: Final answer
    x = 720,460.84

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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.