Home / 820,803.33-1,132,386.87-476,580.46

Finding the Fourth Proportional to 820,803.33, 1,132,386.87 and 476,580.46

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Solution

The fourth proportional to 820,803.33, 1,132,386.87 and 476,580.46 is: 657,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,803.33 : 1,132,386.87 = 476,580.46 : x
  2. Step 2: Convert to fraction form
    820,803.33/1,132,386.87 = 476,580.46/x
  3. Step 3: Cross multiply
    820,803.33x = 1,132,386.87 × 476,580.46
  4. Step 4: Simplify right side
    820,803.33x = 539,673,455,402.56
  5. Step 5: Solve for x
    x = 539,673,455,402.56/820,803.33
  6. Step 6: Final answer
    x = 657,494.24

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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.