Home / 761,763.15-1,142,794.08-281,994.64

Finding the Fourth Proportional to 761,763.15, 1,142,794.08 and 281,994.64

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Solution

The fourth proportional to 761,763.15, 1,142,794.08 and 281,994.64 is: 423,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,763.15 : 1,142,794.08 = 281,994.64 : x
  2. Step 2: Convert to fraction form
    761,763.15/1,142,794.08 = 281,994.64/x
  3. Step 3: Cross multiply
    761,763.15x = 1,142,794.08 × 281,994.64
  4. Step 4: Simplify right side
    761,763.15x = 322,261,802,326.75
  5. Step 5: Solve for x
    x = 322,261,802,326.75/761,763.15
  6. Step 6: Final answer
    x = 423,047.25

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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.