Home / 904,884.72-1,248,740.17-496,997.60

Finding the Fourth Proportional to 904,884.72, 1,248,740.17 and 496,997.60

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Solution

The fourth proportional to 904,884.72, 1,248,740.17 and 496,997.60 is: 685,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,884.72 : 1,248,740.17 = 496,997.60 : x
  2. Step 2: Convert to fraction form
    904,884.72/1,248,740.17 = 496,997.60/x
  3. Step 3: Cross multiply
    904,884.72x = 1,248,740.17 × 496,997.60
  4. Step 4: Simplify right side
    904,884.72x = 620,620,864,937.29
  5. Step 5: Solve for x
    x = 620,620,864,937.29/904,884.72
  6. Step 6: Final answer
    x = 685,856.28

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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.