Home / 802,817.36-1,107,878.82-463,278.32

Finding the Fourth Proportional to 802,817.36, 1,107,878.82 and 463,278.32

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Solution

The fourth proportional to 802,817.36, 1,107,878.82 and 463,278.32 is: 639,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,817.36 : 1,107,878.82 = 463,278.32 : x
  2. Step 2: Convert to fraction form
    802,817.36/1,107,878.82 = 463,278.32/x
  3. Step 3: Cross multiply
    802,817.36x = 1,107,878.82 × 463,278.32
  4. Step 4: Simplify right side
    802,817.36x = 513,256,238,493.18
  5. Step 5: Solve for x
    x = 513,256,238,493.18/802,817.36
  6. Step 6: Final answer
    x = 639,318.81

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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.