Home / 918,953.70-1,378,496.38-245,031.48

Finding the Fourth Proportional to 918,953.70, 1,378,496.38 and 245,031.48

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Solution

The fourth proportional to 918,953.70, 1,378,496.38 and 245,031.48 is: 367,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,953.70 : 1,378,496.38 = 245,031.48 : x
  2. Step 2: Convert to fraction form
    918,953.70/1,378,496.38 = 245,031.48/x
  3. Step 3: Cross multiply
    918,953.70x = 1,378,496.38 × 245,031.48
  4. Step 4: Simplify right side
    918,953.70x = 337,775,008,166.04
  5. Step 5: Solve for x
    x = 337,775,008,166.04/918,953.70
  6. Step 6: Final answer
    x = 367,564.77

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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.