Home / 700,673.10-966,928.87-378,383.17

Finding the Fourth Proportional to 700,673.10, 966,928.87 and 378,383.17

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Solution

The fourth proportional to 700,673.10, 966,928.87 and 378,383.17 is: 522,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,673.10 : 966,928.87 = 378,383.17 : x
  2. Step 2: Convert to fraction form
    700,673.10/966,928.87 = 378,383.17/x
  3. Step 3: Cross multiply
    700,673.10x = 966,928.87 × 378,383.17
  4. Step 4: Simplify right side
    700,673.10x = 365,869,610,995.12
  5. Step 5: Solve for x
    x = 365,869,610,995.12/700,673.10
  6. Step 6: Final answer
    x = 522,168.77

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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.