Home / 902,314.10-1,245,146.04-515,114.26

Finding the Fourth Proportional to 902,314.10, 1,245,146.04 and 515,114.26

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Solution

The fourth proportional to 902,314.10, 1,245,146.04 and 515,114.26 is: 710,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,314.10 : 1,245,146.04 = 515,114.26 : x
  2. Step 2: Convert to fraction form
    902,314.10/1,245,146.04 = 515,114.26/x
  3. Step 3: Cross multiply
    902,314.10x = 1,245,146.04 × 515,114.26
  4. Step 4: Simplify right side
    902,314.10x = 641,392,477,873.67
  5. Step 5: Solve for x
    x = 641,392,477,873.67/902,314.10
  6. Step 6: Final answer
    x = 710,830.60

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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.