Home / 878,656.56-1,212,532.92-496,669.92

Finding the Fourth Proportional to 878,656.56, 1,212,532.92 and 496,669.92

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Solution

The fourth proportional to 878,656.56, 1,212,532.92 and 496,669.92 is: 685,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,656.56 : 1,212,532.92 = 496,669.92 : x
  2. Step 2: Convert to fraction form
    878,656.56/1,212,532.92 = 496,669.92/x
  3. Step 3: Cross multiply
    878,656.56x = 1,212,532.92 × 496,669.92
  4. Step 4: Simplify right side
    878,656.56x = 602,228,628,373.77
  5. Step 5: Solve for x
    x = 602,228,628,373.77/878,656.56
  6. Step 6: Final answer
    x = 685,397.07

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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.