Home / 808,220.52-1,212,252.03-328,477.07

Finding the Fourth Proportional to 808,220.52, 1,212,252.03 and 328,477.07

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Solution

The fourth proportional to 808,220.52, 1,212,252.03 and 328,477.07 is: 492,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,220.52 : 1,212,252.03 = 328,477.07 : x
  2. Step 2: Convert to fraction form
    808,220.52/1,212,252.03 = 328,477.07/x
  3. Step 3: Cross multiply
    808,220.52x = 1,212,252.03 × 328,477.07
  4. Step 4: Simplify right side
    808,220.52x = 398,196,997,946.58
  5. Step 5: Solve for x
    x = 398,196,997,946.58/808,220.52
  6. Step 6: Final answer
    x = 492,683.60

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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.