Home / 808,795.44-1,212,209.28-572,206.32

Finding the Fourth Proportional to 808,795.44, 1,212,209.28 and 572,206.32

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Solution

The fourth proportional to 808,795.44, 1,212,209.28 and 572,206.32 is: 857,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,795.44 : 1,212,209.28 = 572,206.32 : x
  2. Step 2: Convert to fraction form
    808,795.44/1,212,209.28 = 572,206.32/x
  3. Step 3: Cross multiply
    808,795.44x = 1,212,209.28 × 572,206.32
  4. Step 4: Simplify right side
    808,795.44x = 693,633,811,178.65
  5. Step 5: Solve for x
    x = 693,633,811,178.65/808,795.44
  6. Step 6: Final answer
    x = 857,613.40

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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.