Home / 808,787.10-1,116,118.47-446,213.88

Finding the Fourth Proportional to 808,787.10, 1,116,118.47 and 446,213.88

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Solution

The fourth proportional to 808,787.10, 1,116,118.47 and 446,213.88 is: 615,770.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,787.10 : 1,116,118.47 = 446,213.88 : x
  2. Step 2: Convert to fraction form
    808,787.10/1,116,118.47 = 446,213.88/x
  3. Step 3: Cross multiply
    808,787.10x = 1,116,118.47 × 446,213.88
  4. Step 4: Simplify right side
    808,787.10x = 498,027,553,038.36
  5. Step 5: Solve for x
    x = 498,027,553,038.36/808,787.10
  6. Step 6: Final answer
    x = 615,770.89

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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.