Home / 853,788.48-1,178,189.76-471,807

Finding the Fourth Proportional to 853,788.48, 1,178,189.76 and 471,807

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Solution

The fourth proportional to 853,788.48, 1,178,189.76 and 471,807 is: 651,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,788.48 : 1,178,189.76 = 471,807 : x
  2. Step 2: Convert to fraction form
    853,788.48/1,178,189.76 = 471,807/x
  3. Step 3: Cross multiply
    853,788.48x = 1,178,189.76 × 471,807
  4. Step 4: Simplify right side
    853,788.48x = 555,878,176,096.32
  5. Step 5: Solve for x
    x = 555,878,176,096.32/853,788.48
  6. Step 6: Final answer
    x = 651,072.47

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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.