Home / 784,162.79-1,082,139.63-435,299.43

Finding the Fourth Proportional to 784,162.79, 1,082,139.63 and 435,299.43

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Solution

The fourth proportional to 784,162.79, 1,082,139.63 and 435,299.43 is: 600,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,162.79 : 1,082,139.63 = 435,299.43 : x
  2. Step 2: Convert to fraction form
    784,162.79/1,082,139.63 = 435,299.43/x
  3. Step 3: Cross multiply
    784,162.79x = 1,082,139.63 × 435,299.43
  4. Step 4: Simplify right side
    784,162.79x = 471,054,764,119.41
  5. Step 5: Solve for x
    x = 471,054,764,119.41/784,162.79
  6. Step 6: Final answer
    x = 600,710.43

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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.