Home / 929,843.96-1,395,304.04-390,051.89

Finding the Fourth Proportional to 929,843.96, 1,395,304.04 and 390,051.89

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Solution

The fourth proportional to 929,843.96, 1,395,304.04 and 390,051.89 is: 585,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,843.96 : 1,395,304.04 = 390,051.89 : x
  2. Step 2: Convert to fraction form
    929,843.96/1,395,304.04 = 390,051.89/x
  3. Step 3: Cross multiply
    929,843.96x = 1,395,304.04 × 390,051.89
  4. Step 4: Simplify right side
    929,843.96x = 544,240,977,157.64
  5. Step 5: Solve for x
    x = 544,240,977,157.64/929,843.96
  6. Step 6: Final answer
    x = 585,303.55

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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.