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Finding the Fourth Proportional to 634,474.49, 875,630.93 and 348,050.39

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Solution

The fourth proportional to 634,474.49, 875,630.93 and 348,050.39 is: 480,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,474.49 : 875,630.93 = 348,050.39 : x
  2. Step 2: Convert to fraction form
    634,474.49/875,630.93 = 348,050.39/x
  3. Step 3: Cross multiply
    634,474.49x = 875,630.93 × 348,050.39
  4. Step 4: Simplify right side
    634,474.49x = 304,763,680,564.16
  5. Step 5: Solve for x
    x = 304,763,680,564.16/634,474.49
  6. Step 6: Final answer
    x = 480,340.33

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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.