Home / 877,028.86-1,210,299.82-474,620.86

Finding the Fourth Proportional to 877,028.86, 1,210,299.82 and 474,620.86

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Solution

The fourth proportional to 877,028.86, 1,210,299.82 and 474,620.86 is: 654,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,028.86 : 1,210,299.82 = 474,620.86 : x
  2. Step 2: Convert to fraction form
    877,028.86/1,210,299.82 = 474,620.86/x
  3. Step 3: Cross multiply
    877,028.86x = 1,210,299.82 × 474,620.86
  4. Step 4: Simplify right side
    877,028.86x = 574,433,534,944.63
  5. Step 5: Solve for x
    x = 574,433,534,944.63/877,028.86
  6. Step 6: Final answer
    x = 654,976.78

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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.