Home / 478,178.24-659,890.28-263,319.16

Finding the Fourth Proportional to 478,178.24, 659,890.28 and 263,319.16

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Solution

The fourth proportional to 478,178.24, 659,890.28 and 263,319.16 is: 363,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,178.24 : 659,890.28 = 263,319.16 : x
  2. Step 2: Convert to fraction form
    478,178.24/659,890.28 = 263,319.16/x
  3. Step 3: Cross multiply
    478,178.24x = 659,890.28 × 263,319.16
  4. Step 4: Simplify right side
    478,178.24x = 173,761,754,221.77
  5. Step 5: Solve for x
    x = 173,761,754,221.77/478,178.24
  6. Step 6: Final answer
    x = 363,382.81

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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.