Home / 758,747.04-1,047,092.16-419,237.28

Finding the Fourth Proportional to 758,747.04, 1,047,092.16 and 419,237.28

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Solution

The fourth proportional to 758,747.04, 1,047,092.16 and 419,237.28 is: 578,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,747.04 : 1,047,092.16 = 419,237.28 : x
  2. Step 2: Convert to fraction form
    758,747.04/1,047,092.16 = 419,237.28/x
  3. Step 3: Cross multiply
    758,747.04x = 1,047,092.16 × 419,237.28
  4. Step 4: Simplify right side
    758,747.04x = 438,980,069,067.73
  5. Step 5: Solve for x
    x = 438,980,069,067.73/758,747.04
  6. Step 6: Final answer
    x = 578,559.18

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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.