Home / 847,383.32-1,275,656.13-771,966.54

Finding the Fourth Proportional to 847,383.32, 1,275,656.13 and 771,966.54

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Solution

The fourth proportional to 847,383.32, 1,275,656.13 and 771,966.54 is: 1,162,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,383.32 : 1,275,656.13 = 771,966.54 : x
  2. Step 2: Convert to fraction form
    847,383.32/1,275,656.13 = 771,966.54/x
  3. Step 3: Cross multiply
    847,383.32x = 1,275,656.13 × 771,966.54
  4. Step 4: Simplify right side
    847,383.32x = 984,763,848,905.89
  5. Step 5: Solve for x
    x = 984,763,848,905.89/847,383.32
  6. Step 6: Final answer
    x = 1,162,123.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.