Home / 785,999.80-1,178,999.70-546,851.35

Finding the Fourth Proportional to 785,999.80, 1,178,999.70 and 546,851.35

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Solution

The fourth proportional to 785,999.80, 1,178,999.70 and 546,851.35 is: 820,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,999.80 : 1,178,999.70 = 546,851.35 : x
  2. Step 2: Convert to fraction form
    785,999.80/1,178,999.70 = 546,851.35/x
  3. Step 3: Cross multiply
    785,999.80x = 1,178,999.70 × 546,851.35
  4. Step 4: Simplify right side
    785,999.80x = 644,737,577,594.60
  5. Step 5: Solve for x
    x = 644,737,577,594.60/785,999.80
  6. Step 6: Final answer
    x = 820,277.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.