Home / 902,264.48-1,245,166.32-515,184.72

Finding the Fourth Proportional to 902,264.48, 1,245,166.32 and 515,184.72

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Solution

The fourth proportional to 902,264.48, 1,245,166.32 and 515,184.72 is: 710,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,264.48 : 1,245,166.32 = 515,184.72 : x
  2. Step 2: Convert to fraction form
    902,264.48/1,245,166.32 = 515,184.72/x
  3. Step 3: Cross multiply
    902,264.48x = 1,245,166.32 × 515,184.72
  4. Step 4: Simplify right side
    902,264.48x = 641,490,661,922.63
  5. Step 5: Solve for x
    x = 641,490,661,922.63/902,264.48
  6. Step 6: Final answer
    x = 710,978.52

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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.