Home / 853,312.90-1,177,564.41-471,366.34

Finding the Fourth Proportional to 853,312.90, 1,177,564.41 and 471,366.34

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Solution

The fourth proportional to 853,312.90, 1,177,564.41 and 471,366.34 is: 650,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,312.90 : 1,177,564.41 = 471,366.34 : x
  2. Step 2: Convert to fraction form
    853,312.90/1,177,564.41 = 471,366.34/x
  3. Step 3: Cross multiply
    853,312.90x = 1,177,564.41 × 471,366.34
  4. Step 4: Simplify right side
    853,312.90x = 555,064,226,055.96
  5. Step 5: Solve for x
    x = 555,064,226,055.96/853,312.90
  6. Step 6: Final answer
    x = 650,481.47

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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.