Home / 878,982.75-1,212,996.20-476,574.75

Finding the Fourth Proportional to 878,982.75, 1,212,996.20 and 476,574.75

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Solution

The fourth proportional to 878,982.75, 1,212,996.20 and 476,574.75 is: 657,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,982.75 : 1,212,996.20 = 476,574.75 : x
  2. Step 2: Convert to fraction form
    878,982.75/1,212,996.20 = 476,574.75/x
  3. Step 3: Cross multiply
    878,982.75x = 1,212,996.20 × 476,574.75
  4. Step 4: Simplify right side
    878,982.75x = 578,083,358,383.08
  5. Step 5: Solve for x
    x = 578,083,358,383.08/878,982.75
  6. Step 6: Final answer
    x = 657,673.16

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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.