Home / 808,848.20-1,213,272.30-556,905.80

Finding the Fourth Proportional to 808,848.20, 1,213,272.30 and 556,905.80

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Solution

The fourth proportional to 808,848.20, 1,213,272.30 and 556,905.80 is: 835,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,848.20 : 1,213,272.30 = 556,905.80 : x
  2. Step 2: Convert to fraction form
    808,848.20/1,213,272.30 = 556,905.80/x
  3. Step 3: Cross multiply
    808,848.20x = 1,213,272.30 × 556,905.80
  4. Step 4: Simplify right side
    808,848.20x = 675,678,380,849.34
  5. Step 5: Solve for x
    x = 675,678,380,849.34/808,848.20
  6. Step 6: Final answer
    x = 835,358.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.