Home / 808,608.16-1,212,912.24-453,871.36

Finding the Fourth Proportional to 808,608.16, 1,212,912.24 and 453,871.36

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Solution

The fourth proportional to 808,608.16, 1,212,912.24 and 453,871.36 is: 680,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,608.16 : 1,212,912.24 = 453,871.36 : x
  2. Step 2: Convert to fraction form
    808,608.16/1,212,912.24 = 453,871.36/x
  3. Step 3: Cross multiply
    808,608.16x = 1,212,912.24 × 453,871.36
  4. Step 4: Simplify right side
    808,608.16x = 550,506,127,929.45
  5. Step 5: Solve for x
    x = 550,506,127,929.45/808,608.16
  6. Step 6: Final answer
    x = 680,807.04

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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.