Home / 786,047.80-1,178,051.10-364,426.60

Finding the Fourth Proportional to 786,047.80, 1,178,051.10 and 364,426.60

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Solution

The fourth proportional to 786,047.80, 1,178,051.10 and 364,426.60 is: 546,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,047.80 : 1,178,051.10 = 364,426.60 : x
  2. Step 2: Convert to fraction form
    786,047.80/1,178,051.10 = 364,426.60/x
  3. Step 3: Cross multiply
    786,047.80x = 1,178,051.10 × 364,426.60
  4. Step 4: Simplify right side
    786,047.80x = 429,313,156,999.26
  5. Step 5: Solve for x
    x = 429,313,156,999.26/786,047.80
  6. Step 6: Final answer
    x = 546,166.73

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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.