Home / 851,973.75-1,175,704.86-470,000.43

Finding the Fourth Proportional to 851,973.75, 1,175,704.86 and 470,000.43

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Solution

The fourth proportional to 851,973.75, 1,175,704.86 and 470,000.43 is: 648,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,973.75 : 1,175,704.86 = 470,000.43 : x
  2. Step 2: Convert to fraction form
    851,973.75/1,175,704.86 = 470,000.43/x
  3. Step 3: Cross multiply
    851,973.75x = 1,175,704.86 × 470,000.43
  4. Step 4: Simplify right side
    851,973.75x = 552,581,789,753.09
  5. Step 5: Solve for x
    x = 552,581,789,753.09/851,973.75
  6. Step 6: Final answer
    x = 648,590.16

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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.