Home / 918,943.52-1,378,415.76-350,192

Finding the Fourth Proportional to 918,943.52, 1,378,415.76 and 350,192

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Solution

The fourth proportional to 918,943.52, 1,378,415.76 and 350,192 is: 525,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,943.52 : 1,378,415.76 = 350,192 : x
  2. Step 2: Convert to fraction form
    918,943.52/1,378,415.76 = 350,192/x
  3. Step 3: Cross multiply
    918,943.52x = 1,378,415.76 × 350,192
  4. Step 4: Simplify right side
    918,943.52x = 482,710,171,825.92
  5. Step 5: Solve for x
    x = 482,710,171,825.92/918,943.52
  6. Step 6: Final answer
    x = 525,288.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.