Home / 802,809.36-1,107,867.78-463,270.32

Finding the Fourth Proportional to 802,809.36, 1,107,867.78 and 463,270.32

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Solution

The fourth proportional to 802,809.36, 1,107,867.78 and 463,270.32 is: 639,307.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,809.36 : 1,107,867.78 = 463,270.32 : x
  2. Step 2: Convert to fraction form
    802,809.36/1,107,867.78 = 463,270.32/x
  3. Step 3: Cross multiply
    802,809.36x = 1,107,867.78 × 463,270.32
  4. Step 4: Simplify right side
    802,809.36x = 513,242,260,958.29
  5. Step 5: Solve for x
    x = 513,242,260,958.29/802,809.36
  6. Step 6: Final answer
    x = 639,307.77

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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.