Home / 914,357.85-1,371,627.09-315,240.27

Finding the Fourth Proportional to 914,357.85, 1,371,627.09 and 315,240.27

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Solution

The fourth proportional to 914,357.85, 1,371,627.09 and 315,240.27 is: 472,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,357.85 : 1,371,627.09 = 315,240.27 : x
  2. Step 2: Convert to fraction form
    914,357.85/1,371,627.09 = 315,240.27/x
  3. Step 3: Cross multiply
    914,357.85x = 1,371,627.09 × 315,240.27
  4. Step 4: Simplify right side
    914,357.85x = 432,392,094,190.91
  5. Step 5: Solve for x
    x = 432,392,094,190.91/914,357.85
  6. Step 6: Final answer
    x = 472,891.54

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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.