Home / 672,864.03-1,011,040.79-505,957.05

Finding the Fourth Proportional to 672,864.03, 1,011,040.79 and 505,957.05

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Solution

The fourth proportional to 672,864.03, 1,011,040.79 and 505,957.05 is: 760,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,864.03 : 1,011,040.79 = 505,957.05 : x
  2. Step 2: Convert to fraction form
    672,864.03/1,011,040.79 = 505,957.05/x
  3. Step 3: Cross multiply
    672,864.03x = 1,011,040.79 × 505,957.05
  4. Step 4: Simplify right side
    672,864.03x = 511,543,213,008.28
  5. Step 5: Solve for x
    x = 511,543,213,008.28/672,864.03
  6. Step 6: Final answer
    x = 760,247.52

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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.