Home / 651,090.80-976,636.20-201,810.80

Finding the Fourth Proportional to 651,090.80, 976,636.20 and 201,810.80

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Solution

The fourth proportional to 651,090.80, 976,636.20 and 201,810.80 is: 302,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,090.80 : 976,636.20 = 201,810.80 : x
  2. Step 2: Convert to fraction form
    651,090.80/976,636.20 = 201,810.80/x
  3. Step 3: Cross multiply
    651,090.80x = 976,636.20 × 201,810.80
  4. Step 4: Simplify right side
    651,090.80x = 197,095,732,830.96
  5. Step 5: Solve for x
    x = 197,095,732,830.96/651,090.80
  6. Step 6: Final answer
    x = 302,716.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.