Home / 784,607.80-1,082,726.04-445,140.04

Finding the Fourth Proportional to 784,607.80, 1,082,726.04 and 445,140.04

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Solution

The fourth proportional to 784,607.80, 1,082,726.04 and 445,140.04 is: 614,274.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,607.80 : 1,082,726.04 = 445,140.04 : x
  2. Step 2: Convert to fraction form
    784,607.80/1,082,726.04 = 445,140.04/x
  3. Step 3: Cross multiply
    784,607.80x = 1,082,726.04 × 445,140.04
  4. Step 4: Simplify right side
    784,607.80x = 481,964,712,754.64
  5. Step 5: Solve for x
    x = 481,964,712,754.64/784,607.80
  6. Step 6: Final answer
    x = 614,274.69

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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.