Home / 478,125.06-659,817.45-263,285.07

Finding the Fourth Proportional to 478,125.06, 659,817.45 and 263,285.07

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Solution

The fourth proportional to 478,125.06, 659,817.45 and 263,285.07 is: 363,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,125.06 : 659,817.45 = 263,285.07 : x
  2. Step 2: Convert to fraction form
    478,125.06/659,817.45 = 263,285.07/x
  3. Step 3: Cross multiply
    478,125.06x = 659,817.45 × 263,285.07
  4. Step 4: Simplify right side
    478,125.06x = 173,720,083,510.47
  5. Step 5: Solve for x
    x = 173,720,083,510.47/478,125.06
  6. Step 6: Final answer
    x = 363,336.08

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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.