Home / 524,050.93-723,140.43-306,310.65

Finding the Fourth Proportional to 524,050.93, 723,140.43 and 306,310.65

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Solution

The fourth proportional to 524,050.93, 723,140.43 and 306,310.65 is: 422,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,050.93 : 723,140.43 = 306,310.65 : x
  2. Step 2: Convert to fraction form
    524,050.93/723,140.43 = 306,310.65/x
  3. Step 3: Cross multiply
    524,050.93x = 723,140.43 × 306,310.65
  4. Step 4: Simplify right side
    524,050.93x = 221,505,616,929.38
  5. Step 5: Solve for x
    x = 221,505,616,929.38/524,050.93
  6. Step 6: Final answer
    x = 422,679.56

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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.