Home / 785,694.16-1,084,258.12-427,998.16

Finding the Fourth Proportional to 785,694.16, 1,084,258.12 and 427,998.16

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Solution

The fourth proportional to 785,694.16, 1,084,258.12 and 427,998.16 is: 590,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,694.16 : 1,084,258.12 = 427,998.16 : x
  2. Step 2: Convert to fraction form
    785,694.16/1,084,258.12 = 427,998.16/x
  3. Step 3: Cross multiply
    785,694.16x = 1,084,258.12 × 427,998.16
  4. Step 4: Simplify right side
    785,694.16x = 464,060,480,325.06
  5. Step 5: Solve for x
    x = 464,060,480,325.06/785,694.16
  6. Step 6: Final answer
    x = 590,637.56

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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.