Home / 802,819.36-1,107,881.58-463,280.32

Finding the Fourth Proportional to 802,819.36, 1,107,881.58 and 463,280.32

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Solution

The fourth proportional to 802,819.36, 1,107,881.58 and 463,280.32 is: 639,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,819.36 : 1,107,881.58 = 463,280.32 : x
  2. Step 2: Convert to fraction form
    802,819.36/1,107,881.58 = 463,280.32/x
  3. Step 3: Cross multiply
    802,819.36x = 1,107,881.58 × 463,280.32
  4. Step 4: Simplify right side
    802,819.36x = 513,259,732,904.51
  5. Step 5: Solve for x
    x = 513,259,732,904.51/802,819.36
  6. Step 6: Final answer
    x = 639,321.57

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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.