Home / 808,849.51-1,116,311.17-464,684.78

Finding the Fourth Proportional to 808,849.51, 1,116,311.17 and 464,684.78

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Solution

The fourth proportional to 808,849.51, 1,116,311.17 and 464,684.78 is: 641,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,849.51 : 1,116,311.17 = 464,684.78 : x
  2. Step 2: Convert to fraction form
    808,849.51/1,116,311.17 = 464,684.78/x
  3. Step 3: Cross multiply
    808,849.51x = 1,116,311.17 × 464,684.78
  4. Step 4: Simplify right side
    808,849.51x = 518,732,809,281.28
  5. Step 5: Solve for x
    x = 518,732,809,281.28/808,849.51
  6. Step 6: Final answer
    x = 641,321.79

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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.