Home / 933,481.64-1,288,221.04-551,507.52

Finding the Fourth Proportional to 933,481.64, 1,288,221.04 and 551,507.52

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Solution

The fourth proportional to 933,481.64, 1,288,221.04 and 551,507.52 is: 761,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,481.64 : 1,288,221.04 = 551,507.52 : x
  2. Step 2: Convert to fraction form
    933,481.64/1,288,221.04 = 551,507.52/x
  3. Step 3: Cross multiply
    933,481.64x = 1,288,221.04 × 551,507.52
  4. Step 4: Simplify right side
    933,481.64x = 710,463,590,982.22
  5. Step 5: Solve for x
    x = 710,463,590,982.22/933,481.64
  6. Step 6: Final answer
    x = 761,090.05

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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.