Home / 430,847.87-645,822.55-241,029.93

Finding the Fourth Proportional to 430,847.87, 645,822.55 and 241,029.93

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Solution

The fourth proportional to 430,847.87, 645,822.55 and 241,029.93 is: 361,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,847.87 : 645,822.55 = 241,029.93 : x
  2. Step 2: Convert to fraction form
    430,847.87/645,822.55 = 241,029.93/x
  3. Step 3: Cross multiply
    430,847.87x = 645,822.55 × 241,029.93
  4. Step 4: Simplify right side
    430,847.87x = 155,662,566,742.04
  5. Step 5: Solve for x
    x = 155,662,566,742.04/430,847.87
  6. Step 6: Final answer
    x = 361,293.58

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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.