Home / 784,235.70-1,082,245.86-440,024.22

Finding the Fourth Proportional to 784,235.70, 1,082,245.86 and 440,024.22

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Solution

The fourth proportional to 784,235.70, 1,082,245.86 and 440,024.22 is: 607,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,235.70 : 1,082,245.86 = 440,024.22 : x
  2. Step 2: Convert to fraction form
    784,235.70/1,082,245.86 = 440,024.22/x
  3. Step 3: Cross multiply
    784,235.70x = 1,082,245.86 × 440,024.22
  4. Step 4: Simplify right side
    784,235.70x = 476,214,390,394.73
  5. Step 5: Solve for x
    x = 476,214,390,394.73/784,235.70
  6. Step 6: Final answer
    x = 607,233.76

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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.