Home / 558,901.36-771,164.28-332,502.64

Finding the Fourth Proportional to 558,901.36, 771,164.28 and 332,502.64

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Solution

The fourth proportional to 558,901.36, 771,164.28 and 332,502.64 is: 458,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,901.36 : 771,164.28 = 332,502.64 : x
  2. Step 2: Convert to fraction form
    558,901.36/771,164.28 = 332,502.64/x
  3. Step 3: Cross multiply
    558,901.36x = 771,164.28 × 332,502.64
  4. Step 4: Simplify right side
    558,901.36x = 256,414,158,973.70
  5. Step 5: Solve for x
    x = 256,414,158,973.70/558,901.36
  6. Step 6: Final answer
    x = 458,782.49

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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.