Home / 851,519.04-1,175,073.12-469,538.88

Finding the Fourth Proportional to 851,519.04, 1,175,073.12 and 469,538.88

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Solution

The fourth proportional to 851,519.04, 1,175,073.12 and 469,538.88 is: 647,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,519.04 : 1,175,073.12 = 469,538.88 : x
  2. Step 2: Convert to fraction form
    851,519.04/1,175,073.12 = 469,538.88/x
  3. Step 3: Cross multiply
    851,519.04x = 1,175,073.12 × 469,538.88
  4. Step 4: Simplify right side
    851,519.04x = 551,742,516,682.91
  5. Step 5: Solve for x
    x = 551,742,516,682.91/851,519.04
  6. Step 6: Final answer
    x = 647,950.89

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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.