Home / 803,470.96-1,108,786.88-440,900.88

Finding the Fourth Proportional to 803,470.96, 1,108,786.88 and 440,900.88

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Solution

The fourth proportional to 803,470.96, 1,108,786.88 and 440,900.88 is: 608,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,470.96 : 1,108,786.88 = 440,900.88 : x
  2. Step 2: Convert to fraction form
    803,470.96/1,108,786.88 = 440,900.88/x
  3. Step 3: Cross multiply
    803,470.96x = 1,108,786.88 × 440,900.88
  4. Step 4: Simplify right side
    803,470.96x = 488,865,111,124.45
  5. Step 5: Solve for x
    x = 488,865,111,124.45/803,470.96
  6. Step 6: Final answer
    x = 608,441.54

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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.