Home / 902,245.64-1,245,051.30-515,045.69

Finding the Fourth Proportional to 902,245.64, 1,245,051.30 and 515,045.69

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Solution

The fourth proportional to 902,245.64, 1,245,051.30 and 515,045.69 is: 710,735.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,245.64 : 1,245,051.30 = 515,045.69 : x
  2. Step 2: Convert to fraction form
    902,245.64/1,245,051.30 = 515,045.69/x
  3. Step 3: Cross multiply
    902,245.64x = 1,245,051.30 × 515,045.69
  4. Step 4: Simplify right side
    902,245.64x = 641,258,306,269.00
  5. Step 5: Solve for x
    x = 641,258,306,269.00/902,245.64
  6. Step 6: Final answer
    x = 710,735.84

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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.