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Finding the Fourth Proportional to 551,622.58, 761,300.94 and 333,951.23

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Solution

The fourth proportional to 551,622.58, 761,300.94 and 333,951.23 is: 460,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,622.58 : 761,300.94 = 333,951.23 : x
  2. Step 2: Convert to fraction form
    551,622.58/761,300.94 = 333,951.23/x
  3. Step 3: Cross multiply
    551,622.58x = 761,300.94 × 333,951.23
  4. Step 4: Simplify right side
    551,622.58x = 254,237,385,313.16
  5. Step 5: Solve for x
    x = 254,237,385,313.16/551,622.58
  6. Step 6: Final answer
    x = 460,890.10

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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.