Home / 742,354.92-1,024,469.64-402,823.44

Finding the Fourth Proportional to 742,354.92, 1,024,469.64 and 402,823.44

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Solution

The fourth proportional to 742,354.92, 1,024,469.64 and 402,823.44 is: 555,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,354.92 : 1,024,469.64 = 402,823.44 : x
  2. Step 2: Convert to fraction form
    742,354.92/1,024,469.64 = 402,823.44/x
  3. Step 3: Cross multiply
    742,354.92x = 1,024,469.64 × 402,823.44
  4. Step 4: Simplify right side
    742,354.92x = 412,680,384,560.36
  5. Step 5: Solve for x
    x = 412,680,384,560.36/742,354.92
  6. Step 6: Final answer
    x = 555,907.12

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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.