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Finding the Fourth Proportional to 441,813.74, 609,673.96 and 260,516.90

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Solution

The fourth proportional to 441,813.74, 609,673.96 and 260,516.90 is: 359,496.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,813.74 : 609,673.96 = 260,516.90 : x
  2. Step 2: Convert to fraction form
    441,813.74/609,673.96 = 260,516.90/x
  3. Step 3: Cross multiply
    441,813.74x = 609,673.96 × 260,516.90
  4. Step 4: Simplify right side
    441,813.74x = 158,830,370,069.92
  5. Step 5: Solve for x
    x = 158,830,370,069.92/441,813.74
  6. Step 6: Final answer
    x = 359,496.22

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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.