Home / 720,530.34-1,080,631.17-271,298.58

Finding the Fourth Proportional to 720,530.34, 1,080,631.17 and 271,298.58

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Solution

The fourth proportional to 720,530.34, 1,080,631.17 and 271,298.58 is: 406,885.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,530.34 : 1,080,631.17 = 271,298.58 : x
  2. Step 2: Convert to fraction form
    720,530.34/1,080,631.17 = 271,298.58/x
  3. Step 3: Cross multiply
    720,530.34x = 1,080,631.17 × 271,298.58
  4. Step 4: Simplify right side
    720,530.34x = 293,173,701,924.74
  5. Step 5: Solve for x
    x = 293,173,701,924.74/720,530.34
  6. Step 6: Final answer
    x = 406,885.99

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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.