Home / 918,141.52-1,377,291.62-253,293.52

Finding the Fourth Proportional to 918,141.52, 1,377,291.62 and 253,293.52

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Solution

The fourth proportional to 918,141.52, 1,377,291.62 and 253,293.52 is: 379,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,141.52 : 1,377,291.62 = 253,293.52 : x
  2. Step 2: Convert to fraction form
    918,141.52/1,377,291.62 = 253,293.52/x
  3. Step 3: Cross multiply
    918,141.52x = 1,377,291.62 × 253,293.52
  4. Step 4: Simplify right side
    918,141.52x = 348,859,042,496.30
  5. Step 5: Solve for x
    x = 348,859,042,496.30/918,141.52
  6. Step 6: Final answer
    x = 379,962.17

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1.5x scale

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.