Home / 926,378.48-1,389,317.72-327,260.76

Finding the Fourth Proportional to 926,378.48, 1,389,317.72 and 327,260.76

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Solution

The fourth proportional to 926,378.48, 1,389,317.72 and 327,260.76 is: 490,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,378.48 : 1,389,317.72 = 327,260.76 : x
  2. Step 2: Convert to fraction form
    926,378.48/1,389,317.72 = 327,260.76/x
  3. Step 3: Cross multiply
    926,378.48x = 1,389,317.72 × 327,260.76
  4. Step 4: Simplify right side
    926,378.48x = 454,669,172,928.67
  5. Step 5: Solve for x
    x = 454,669,172,928.67/926,378.48
  6. Step 6: Final answer
    x = 490,802.82

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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.