Home / 765,237.12-1,055,590.08-459,231.36

Finding the Fourth Proportional to 765,237.12, 1,055,590.08 and 459,231.36

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Solution

The fourth proportional to 765,237.12, 1,055,590.08 and 459,231.36 is: 633,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,237.12 : 1,055,590.08 = 459,231.36 : x
  2. Step 2: Convert to fraction form
    765,237.12/1,055,590.08 = 459,231.36/x
  3. Step 3: Cross multiply
    765,237.12x = 1,055,590.08 × 459,231.36
  4. Step 4: Simplify right side
    765,237.12x = 484,760,068,040.91
  5. Step 5: Solve for x
    x = 484,760,068,040.91/765,237.12
  6. Step 6: Final answer
    x = 633,476.94

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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.