Home / 851,505.48-1,175,052.42-469,532.16

Finding the Fourth Proportional to 851,505.48, 1,175,052.42 and 469,532.16

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Solution

The fourth proportional to 851,505.48, 1,175,052.42 and 469,532.16 is: 647,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,505.48 : 1,175,052.42 = 469,532.16 : x
  2. Step 2: Convert to fraction form
    851,505.48/1,175,052.42 = 469,532.16/x
  3. Step 3: Cross multiply
    851,505.48x = 1,175,052.42 × 469,532.16
  4. Step 4: Simplify right side
    851,505.48x = 551,724,900,875.83
  5. Step 5: Solve for x
    x = 551,724,900,875.83/851,505.48
  6. Step 6: Final answer
    x = 647,940.52

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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.