Home / 784,581.12-1,175,838.72-311,008.32

Finding the Fourth Proportional to 784,581.12, 1,175,838.72 and 311,008.32

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Solution

The fourth proportional to 784,581.12, 1,175,838.72 and 311,008.32 is: 466,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,581.12 : 1,175,838.72 = 311,008.32 : x
  2. Step 2: Convert to fraction form
    784,581.12/1,175,838.72 = 311,008.32/x
  3. Step 3: Cross multiply
    784,581.12x = 1,175,838.72 × 311,008.32
  4. Step 4: Simplify right side
    784,581.12x = 365,695,624,898.15
  5. Step 5: Solve for x
    x = 365,695,624,898.15/784,581.12
  6. Step 6: Final answer
    x = 466,103.01

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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.