Home / 902,230.23-1,245,030.13-515,030.27

Finding the Fourth Proportional to 902,230.23, 1,245,030.13 and 515,030.27

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Solution

The fourth proportional to 902,230.23, 1,245,030.13 and 515,030.27 is: 710,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,230.23 : 1,245,030.13 = 515,030.27 : x
  2. Step 2: Convert to fraction form
    902,230.23/1,245,030.13 = 515,030.27/x
  3. Step 3: Cross multiply
    902,230.23x = 1,245,030.13 × 515,030.27
  4. Step 4: Simplify right side
    902,230.23x = 641,228,205,837.04
  5. Step 5: Solve for x
    x = 641,228,205,837.04/902,230.23
  6. Step 6: Final answer
    x = 710,714.61

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Double scale
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1.5x scale

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.