Home / 901,228.92-1,243,694.10-493,330.88

Finding the Fourth Proportional to 901,228.92, 1,243,694.10 and 493,330.88

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Solution

The fourth proportional to 901,228.92, 1,243,694.10 and 493,330.88 is: 680,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,228.92 : 1,243,694.10 = 493,330.88 : x
  2. Step 2: Convert to fraction form
    901,228.92/1,243,694.10 = 493,330.88/x
  3. Step 3: Cross multiply
    901,228.92x = 1,243,694.10 × 493,330.88
  4. Step 4: Simplify right side
    901,228.92x = 613,552,704,803.81
  5. Step 5: Solve for x
    x = 613,552,704,803.81/901,228.92
  6. Step 6: Final answer
    x = 680,795.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.