Home / 857,871.48-1,184,004.56-476,021.28

Finding the Fourth Proportional to 857,871.48, 1,184,004.56 and 476,021.28

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Solution

The fourth proportional to 857,871.48, 1,184,004.56 and 476,021.28 is: 656,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,871.48 : 1,184,004.56 = 476,021.28 : x
  2. Step 2: Convert to fraction form
    857,871.48/1,184,004.56 = 476,021.28/x
  3. Step 3: Cross multiply
    857,871.48x = 1,184,004.56 × 476,021.28
  4. Step 4: Simplify right side
    857,871.48x = 563,611,367,367.09
  5. Step 5: Solve for x
    x = 563,611,367,367.09/857,871.48
  6. Step 6: Final answer
    x = 656,988.12

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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.