Home / 878,534.04-1,212,405.16-572,807.92

Finding the Fourth Proportional to 878,534.04, 1,212,405.16 and 572,807.92

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Solution

The fourth proportional to 878,534.04, 1,212,405.16 and 572,807.92 is: 790,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,534.04 : 1,212,405.16 = 572,807.92 : x
  2. Step 2: Convert to fraction form
    878,534.04/1,212,405.16 = 572,807.92/x
  3. Step 3: Cross multiply
    878,534.04x = 1,212,405.16 × 572,807.92
  4. Step 4: Simplify right side
    878,534.04x = 694,475,277,896.87
  5. Step 5: Solve for x
    x = 694,475,277,896.87/878,534.04
  6. Step 6: Final answer
    x = 790,493.31

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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.