Home / 808,828.84-1,214,293.02-621,971.56

Finding the Fourth Proportional to 808,828.84, 1,214,293.02 and 621,971.56

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Solution

The fourth proportional to 808,828.84, 1,214,293.02 and 621,971.56 is: 933,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,828.84 : 1,214,293.02 = 621,971.56 : x
  2. Step 2: Convert to fraction form
    808,828.84/1,214,293.02 = 621,971.56/x
  3. Step 3: Cross multiply
    808,828.84x = 1,214,293.02 × 621,971.56
  4. Step 4: Simplify right side
    808,828.84x = 755,255,723,946.51
  5. Step 5: Solve for x
    x = 755,255,723,946.51/808,828.84
  6. Step 6: Final answer
    x = 933,764.58

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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.