Home / 823,455.60-1,234,261.80-350,060.40

Finding the Fourth Proportional to 823,455.60, 1,234,261.80 and 350,060.40

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Solution

The fourth proportional to 823,455.60, 1,234,261.80 and 350,060.40 is: 524,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,455.60 : 1,234,261.80 = 350,060.40 : x
  2. Step 2: Convert to fraction form
    823,455.60/1,234,261.80 = 350,060.40/x
  3. Step 3: Cross multiply
    823,455.60x = 1,234,261.80 × 350,060.40
  4. Step 4: Simplify right side
    823,455.60x = 432,066,179,412.72
  5. Step 5: Solve for x
    x = 432,066,179,412.72/823,455.60
  6. Step 6: Final answer
    x = 524,698.82

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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.