Home / 784,189.97-1,176,341.17-328,322.46

Finding the Fourth Proportional to 784,189.97, 1,176,341.17 and 328,322.46

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Solution

The fourth proportional to 784,189.97, 1,176,341.17 and 328,322.46 is: 492,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,189.97 : 1,176,341.17 = 328,322.46 : x
  2. Step 2: Convert to fraction form
    784,189.97/1,176,341.17 = 328,322.46/x
  3. Step 3: Cross multiply
    784,189.97x = 1,176,341.17 × 328,322.46
  4. Step 4: Simplify right side
    784,189.97x = 386,219,226,733.68
  5. Step 5: Solve for x
    x = 386,219,226,733.68/784,189.97
  6. Step 6: Final answer
    x = 492,507.23

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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.