Home / 558,784.36-771,122.46-304,137.40

Finding the Fourth Proportional to 558,784.36, 771,122.46 and 304,137.40

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Solution

The fourth proportional to 558,784.36, 771,122.46 and 304,137.40 is: 419,709.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,784.36 : 771,122.46 = 304,137.40 : x
  2. Step 2: Convert to fraction form
    558,784.36/771,122.46 = 304,137.40/x
  3. Step 3: Cross multiply
    558,784.36x = 771,122.46 × 304,137.40
  4. Step 4: Simplify right side
    558,784.36x = 234,527,180,066.00
  5. Step 5: Solve for x
    x = 234,527,180,066.00/558,784.36
  6. Step 6: Final answer
    x = 419,709.64

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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.