Home / 808,847.70-1,213,271.55-556,905.30

Finding the Fourth Proportional to 808,847.70, 1,213,271.55 and 556,905.30

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Solution

The fourth proportional to 808,847.70, 1,213,271.55 and 556,905.30 is: 835,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,847.70 : 1,213,271.55 = 556,905.30 : x
  2. Step 2: Convert to fraction form
    808,847.70/1,213,271.55 = 556,905.30/x
  3. Step 3: Cross multiply
    808,847.70x = 1,213,271.55 × 556,905.30
  4. Step 4: Simplify right side
    808,847.70x = 675,677,356,534.22
  5. Step 5: Solve for x
    x = 675,677,356,534.22/808,847.70
  6. Step 6: Final answer
    x = 835,357.95

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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.