Home / 478,835.39-660,797.12-263,983.03

Finding the Fourth Proportional to 478,835.39, 660,797.12 and 263,983.03

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Solution

The fourth proportional to 478,835.39, 660,797.12 and 263,983.03 is: 364,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,835.39 : 660,797.12 = 263,983.03 : x
  2. Step 2: Convert to fraction form
    478,835.39/660,797.12 = 263,983.03/x
  3. Step 3: Cross multiply
    478,835.39x = 660,797.12 × 263,983.03
  4. Step 4: Simplify right side
    478,835.39x = 174,439,225,952.87
  5. Step 5: Solve for x
    x = 174,439,225,952.87/478,835.39
  6. Step 6: Final answer
    x = 364,298.94

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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.