Home / 768,688.64-1,153,094.40-270,164.48

Finding the Fourth Proportional to 768,688.64, 1,153,094.40 and 270,164.48

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Solution

The fourth proportional to 768,688.64, 1,153,094.40 and 270,164.48 is: 405,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,688.64 : 1,153,094.40 = 270,164.48 : x
  2. Step 2: Convert to fraction form
    768,688.64/1,153,094.40 = 270,164.48/x
  3. Step 3: Cross multiply
    768,688.64x = 1,153,094.40 × 270,164.48
  4. Step 4: Simplify right side
    768,688.64x = 311,525,148,966.91
  5. Step 5: Solve for x
    x = 311,525,148,966.91/768,688.64
  6. Step 6: Final answer
    x = 405,268.31

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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.