Home / 820,675.50-1,132,527.84-476,596.02

Finding the Fourth Proportional to 820,675.50, 1,132,527.84 and 476,596.02

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Solution

The fourth proportional to 820,675.50, 1,132,527.84 and 476,596.02 is: 657,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,675.50 : 1,132,527.84 = 476,596.02 : x
  2. Step 2: Convert to fraction form
    820,675.50/1,132,527.84 = 476,596.02/x
  3. Step 3: Cross multiply
    820,675.50x = 1,132,527.84 × 476,596.02
  4. Step 4: Simplify right side
    820,675.50x = 539,758,259,853.33
  5. Step 5: Solve for x
    x = 539,758,259,853.33/820,675.50
  6. Step 6: Final answer
    x = 657,699.98

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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.