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Finding the Fourth Proportional to 578,590.94, 798,446.58 and 323,951.24

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Solution

The fourth proportional to 578,590.94, 798,446.58 and 323,951.24 is: 447,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,590.94 : 798,446.58 = 323,951.24 : x
  2. Step 2: Convert to fraction form
    578,590.94/798,446.58 = 323,951.24/x
  3. Step 3: Cross multiply
    578,590.94x = 798,446.58 × 323,951.24
  4. Step 4: Simplify right side
    578,590.94x = 258,657,759,664.76
  5. Step 5: Solve for x
    x = 258,657,759,664.76/578,590.94
  6. Step 6: Final answer
    x = 447,047.72

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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.