Home / 480,086.50-662,519.37-278,895.46

Finding the Fourth Proportional to 480,086.50, 662,519.37 and 278,895.46

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Solution

The fourth proportional to 480,086.50, 662,519.37 and 278,895.46 is: 384,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,086.50 : 662,519.37 = 278,895.46 : x
  2. Step 2: Convert to fraction form
    480,086.50/662,519.37 = 278,895.46/x
  3. Step 3: Cross multiply
    480,086.50x = 662,519.37 × 278,895.46
  4. Step 4: Simplify right side
    480,086.50x = 184,773,644,455.06
  5. Step 5: Solve for x
    x = 184,773,644,455.06/480,086.50
  6. Step 6: Final answer
    x = 384,875.73

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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.