Home / 784,719.26-1,082,837.76-440,476.35

Finding the Fourth Proportional to 784,719.26, 1,082,837.76 and 440,476.35

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Solution

The fourth proportional to 784,719.26, 1,082,837.76 and 440,476.35 is: 607,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,719.26 : 1,082,837.76 = 440,476.35 : x
  2. Step 2: Convert to fraction form
    784,719.26/1,082,837.76 = 440,476.35/x
  3. Step 3: Cross multiply
    784,719.26x = 1,082,837.76 × 440,476.35
  4. Step 4: Simplify right side
    784,719.26x = 476,964,424,166.98
  5. Step 5: Solve for x
    x = 476,964,424,166.98/784,719.26
  6. Step 6: Final answer
    x = 607,815.37

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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.