Home / 808,780.34-1,116,109.18-446,207.13

Finding the Fourth Proportional to 808,780.34, 1,116,109.18 and 446,207.13

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Solution

The fourth proportional to 808,780.34, 1,116,109.18 and 446,207.13 is: 615,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,780.34 : 1,116,109.18 = 446,207.13 : x
  2. Step 2: Convert to fraction form
    808,780.34/1,116,109.18 = 446,207.13/x
  3. Step 3: Cross multiply
    808,780.34x = 1,116,109.18 × 446,207.13
  4. Step 4: Simplify right side
    808,780.34x = 498,015,872,022.30
  5. Step 5: Solve for x
    x = 498,015,872,022.30/808,780.34
  6. Step 6: Final answer
    x = 615,761.59

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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.