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Finding the Fourth Proportional to 580,289.52, 800,857.08 and 325,641.72

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Solution

The fourth proportional to 580,289.52, 800,857.08 and 325,641.72 is: 449,417.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,289.52 : 800,857.08 = 325,641.72 : x
  2. Step 2: Convert to fraction form
    580,289.52/800,857.08 = 325,641.72/x
  3. Step 3: Cross multiply
    580,289.52x = 800,857.08 × 325,641.72
  4. Step 4: Simplify right side
    580,289.52x = 260,792,477,005.38
  5. Step 5: Solve for x
    x = 260,792,477,005.38/580,289.52
  6. Step 6: Final answer
    x = 449,417.86

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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.