Home / 884,436.63-1,220,369.54-521,833.11

Finding the Fourth Proportional to 884,436.63, 1,220,369.54 and 521,833.11

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Solution

The fourth proportional to 884,436.63, 1,220,369.54 and 521,833.11 is: 720,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,436.63 : 1,220,369.54 = 521,833.11 : x
  2. Step 2: Convert to fraction form
    884,436.63/1,220,369.54 = 521,833.11/x
  3. Step 3: Cross multiply
    884,436.63x = 1,220,369.54 × 521,833.11
  4. Step 4: Simplify right side
    884,436.63x = 636,829,229,798.30
  5. Step 5: Solve for x
    x = 636,829,229,798.30/884,436.63
  6. Step 6: Final answer
    x = 720,039.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.