Home / 784,190.04-1,176,341.28-328,322.54

Finding the Fourth Proportional to 784,190.04, 1,176,341.28 and 328,322.54

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Solution

The fourth proportional to 784,190.04, 1,176,341.28 and 328,322.54 is: 492,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,190.04 : 1,176,341.28 = 328,322.54 : x
  2. Step 2: Convert to fraction form
    784,190.04/1,176,341.28 = 328,322.54/x
  3. Step 3: Cross multiply
    784,190.04x = 1,176,341.28 × 328,322.54
  4. Step 4: Simplify right side
    784,190.04x = 386,219,351,074.75
  5. Step 5: Solve for x
    x = 386,219,351,074.75/784,190.04
  6. Step 6: Final answer
    x = 492,507.34

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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.