Home / 784,804.84-1,082,998.02-445,291.72

Finding the Fourth Proportional to 784,804.84, 1,082,998.02 and 445,291.72

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Solution

The fourth proportional to 784,804.84, 1,082,998.02 and 445,291.72 is: 614,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,804.84 : 1,082,998.02 = 445,291.72 : x
  2. Step 2: Convert to fraction form
    784,804.84/1,082,998.02 = 445,291.72/x
  3. Step 3: Cross multiply
    784,804.84x = 1,082,998.02 × 445,291.72
  4. Step 4: Simplify right side
    784,804.84x = 482,250,051,082.39
  5. Step 5: Solve for x
    x = 482,250,051,082.39/784,804.84
  6. Step 6: Final answer
    x = 614,484.04

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Double scale
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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.