Home / 856,442.34-1,284,313.56-295,345.62

Finding the Fourth Proportional to 856,442.34, 1,284,313.56 and 295,345.62

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Solution

The fourth proportional to 856,442.34, 1,284,313.56 and 295,345.62 is: 442,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,442.34 : 1,284,313.56 = 295,345.62 : x
  2. Step 2: Convert to fraction form
    856,442.34/1,284,313.56 = 295,345.62/x
  3. Step 3: Cross multiply
    856,442.34x = 1,284,313.56 × 295,345.62
  4. Step 4: Simplify right side
    856,442.34x = 379,316,384,652.61
  5. Step 5: Solve for x
    x = 379,316,384,652.61/856,442.34
  6. Step 6: Final answer
    x = 442,897.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.