Home / 839,042.60-1,258,563.90-483,764.45

Finding the Fourth Proportional to 839,042.60, 1,258,563.90 and 483,764.45

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Solution

The fourth proportional to 839,042.60, 1,258,563.90 and 483,764.45 is: 725,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,042.60 : 1,258,563.90 = 483,764.45 : x
  2. Step 2: Convert to fraction form
    839,042.60/1,258,563.90 = 483,764.45/x
  3. Step 3: Cross multiply
    839,042.60x = 1,258,563.90 × 483,764.45
  4. Step 4: Simplify right side
    839,042.60x = 608,848,472,873.36
  5. Step 5: Solve for x
    x = 608,848,472,873.36/839,042.60
  6. Step 6: Final answer
    x = 725,646.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.