Home / 890,991.49-1,336,351.91-291,939.39

Finding the Fourth Proportional to 890,991.49, 1,336,351.91 and 291,939.39

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Solution

The fourth proportional to 890,991.49, 1,336,351.91 and 291,939.39 is: 437,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,991.49 : 1,336,351.91 = 291,939.39 : x
  2. Step 2: Convert to fraction form
    890,991.49/1,336,351.91 = 291,939.39/x
  3. Step 3: Cross multiply
    890,991.49x = 1,336,351.91 × 291,939.39
  4. Step 4: Simplify right side
    890,991.49x = 390,133,754,748.98
  5. Step 5: Solve for x
    x = 390,133,754,748.98/890,991.49
  6. Step 6: Final answer
    x = 437,864.74

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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.