Home / 478,834.48-660,761.52-263,976.40

Finding the Fourth Proportional to 478,834.48, 660,761.52 and 263,976.40

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Solution

The fourth proportional to 478,834.48, 660,761.52 and 263,976.40 is: 364,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,834.48 : 660,761.52 = 263,976.40 : x
  2. Step 2: Convert to fraction form
    478,834.48/660,761.52 = 263,976.40/x
  3. Step 3: Cross multiply
    478,834.48x = 660,761.52 × 263,976.40
  4. Step 4: Simplify right side
    478,834.48x = 174,425,447,308.13
  5. Step 5: Solve for x
    x = 174,425,447,308.13/478,834.48
  6. Step 6: Final answer
    x = 364,270.86

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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.