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Finding the Fourth Proportional to 649,297.77, 896,013.73 and 362,820.21

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Solution

The fourth proportional to 649,297.77, 896,013.73 and 362,820.21 is: 500,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,297.77 : 896,013.73 = 362,820.21 : x
  2. Step 2: Convert to fraction form
    649,297.77/896,013.73 = 362,820.21/x
  3. Step 3: Cross multiply
    649,297.77x = 896,013.73 × 362,820.21
  4. Step 4: Simplify right side
    649,297.77x = 325,091,883,387.31
  5. Step 5: Solve for x
    x = 325,091,883,387.31/649,297.77
  6. Step 6: Final answer
    x = 500,682.28

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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.