Home / 784,178.32-1,174,372.86-446,195.20

Finding the Fourth Proportional to 784,178.32, 1,174,372.86 and 446,195.20

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Solution

The fourth proportional to 784,178.32, 1,174,372.86 and 446,195.20 is: 668,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,178.32 : 1,174,372.86 = 446,195.20 : x
  2. Step 2: Convert to fraction form
    784,178.32/1,174,372.86 = 446,195.20/x
  3. Step 3: Cross multiply
    784,178.32x = 1,174,372.86 × 446,195.20
  4. Step 4: Simplify right side
    784,178.32x = 523,999,533,142.27
  5. Step 5: Solve for x
    x = 523,999,533,142.27/784,178.32
  6. Step 6: Final answer
    x = 668,214.77

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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.